diff --git a/lib/convert.js b/lib/convert.js
index 9e6301e..c2e32b2 100644
--- a/lib/convert.js
+++ b/lib/convert.js
@@ -497,7 +497,7 @@ module.exports = function convert(config) {
         case SyntaxKind.CatchClause:
             Object.assign(result, {
                 type: AST_NODE_TYPES.CatchClause,
-                param: convertChild(node.variableDeclaration.name),
+                param: node.variableDeclaration ? convertChild(node.variableDeclaration.name) : null,
                 body: convertChild(node.block)
             });
             break;
diff --git a/package.json b/package.json
index ef9a983..a5e5ba3 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "npm-license": "0.3.3",
     "shelljs": "0.7.7",
     "shelljs-nodecli": "0.1.1",
-    "typescript": "~2.4.0"
+    "typescript": "~2.5.1"
   },
   "keywords": [
     "ast",
diff --git a/tests/fixtures/ecma-features/experimentalOptionalCatchBinding/optional-catch-binding-finally.src.js b/tests/fixtures/ecma-features/experimentalOptionalCatchBinding/optional-catch-binding-finally.src.js
new file mode 100644
index 0000000..7ac791c
--- /dev/null
+++ b/tests/fixtures/ecma-features/experimentalOptionalCatchBinding/optional-catch-binding-finally.src.js
@@ -0,0 +1 @@
+try {} catch {} finally {}
diff --git a/tests/fixtures/ecma-features/experimentalOptionalCatchBinding/optional-catch-binding.src.js b/tests/fixtures/ecma-features/experimentalOptionalCatchBinding/optional-catch-binding.src.js
new file mode 100644
index 0000000..0c6986f
--- /dev/null
+++ b/tests/fixtures/ecma-features/experimentalOptionalCatchBinding/optional-catch-binding.src.js
@@ -0,0 +1 @@
+try {} catch {}
diff --git a/tests/lib/__snapshots__/ecma-features.js.snap b/tests/lib/__snapshots__/ecma-features.js.snap
index 4ebfe05..0f57b86 100644
--- a/tests/lib/__snapshots__/ecma-features.js.snap
+++ b/tests/lib/__snapshots__/ecma-features.js.snap
@@ -64563,6 +64563,487 @@ Object {
 }
 `;
 
+exports[`ecmaFeatures fixtures/experimentalOptionalCatchBinding/optional-catch-binding.src 1`] = `
+Object {
+  "body": Array [
+    Object {
+      "block": Object {
+        "body": Array [],
+        "loc": Object {
+          "end": Object {
+            "column": 6,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 4,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          4,
+          6,
+        ],
+        "type": "BlockStatement",
+      },
+      "finalizer": null,
+      "handler": Object {
+        "body": Object {
+          "body": Array [],
+          "loc": Object {
+            "end": Object {
+              "column": 15,
+              "line": 1,
+            },
+            "start": Object {
+              "column": 13,
+              "line": 1,
+            },
+          },
+          "range": Array [
+            13,
+            15,
+          ],
+          "type": "BlockStatement",
+        },
+        "loc": Object {
+          "end": Object {
+            "column": 15,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 7,
+            "line": 1,
+          },
+        },
+        "param": null,
+        "range": Array [
+          7,
+          15,
+        ],
+        "type": "CatchClause",
+      },
+      "loc": Object {
+        "end": Object {
+          "column": 15,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        0,
+        15,
+      ],
+      "type": "TryStatement",
+    },
+  ],
+  "loc": Object {
+    "end": Object {
+      "column": 0,
+      "line": 2,
+    },
+    "start": Object {
+      "column": 0,
+      "line": 1,
+    },
+  },
+  "range": Array [
+    0,
+    16,
+  ],
+  "sourceType": "script",
+  "tokens": Array [
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 3,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        0,
+        3,
+      ],
+      "type": "Keyword",
+      "value": "try",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 5,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 4,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        4,
+        5,
+      ],
+      "type": "Punctuator",
+      "value": "{",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 6,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 5,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        5,
+        6,
+      ],
+      "type": "Punctuator",
+      "value": "}",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 12,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 7,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        7,
+        12,
+      ],
+      "type": "Keyword",
+      "value": "catch",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 14,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 13,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        13,
+        14,
+      ],
+      "type": "Punctuator",
+      "value": "{",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 15,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 14,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        14,
+        15,
+      ],
+      "type": "Punctuator",
+      "value": "}",
+    },
+  ],
+  "type": "Program",
+}
+`;
+
+exports[`ecmaFeatures fixtures/experimentalOptionalCatchBinding/optional-catch-binding-finally.src 1`] = `
+Object {
+  "body": Array [
+    Object {
+      "block": Object {
+        "body": Array [],
+        "loc": Object {
+          "end": Object {
+            "column": 6,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 4,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          4,
+          6,
+        ],
+        "type": "BlockStatement",
+      },
+      "finalizer": Object {
+        "body": Array [],
+        "loc": Object {
+          "end": Object {
+            "column": 26,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 24,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          24,
+          26,
+        ],
+        "type": "BlockStatement",
+      },
+      "handler": Object {
+        "body": Object {
+          "body": Array [],
+          "loc": Object {
+            "end": Object {
+              "column": 15,
+              "line": 1,
+            },
+            "start": Object {
+              "column": 13,
+              "line": 1,
+            },
+          },
+          "range": Array [
+            13,
+            15,
+          ],
+          "type": "BlockStatement",
+        },
+        "loc": Object {
+          "end": Object {
+            "column": 15,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 7,
+            "line": 1,
+          },
+        },
+        "param": null,
+        "range": Array [
+          7,
+          15,
+        ],
+        "type": "CatchClause",
+      },
+      "loc": Object {
+        "end": Object {
+          "column": 26,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        0,
+        26,
+      ],
+      "type": "TryStatement",
+    },
+  ],
+  "loc": Object {
+    "end": Object {
+      "column": 0,
+      "line": 2,
+    },
+    "start": Object {
+      "column": 0,
+      "line": 1,
+    },
+  },
+  "range": Array [
+    0,
+    27,
+  ],
+  "sourceType": "script",
+  "tokens": Array [
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 3,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        0,
+        3,
+      ],
+      "type": "Keyword",
+      "value": "try",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 5,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 4,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        4,
+        5,
+      ],
+      "type": "Punctuator",
+      "value": "{",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 6,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 5,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        5,
+        6,
+      ],
+      "type": "Punctuator",
+      "value": "}",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 12,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 7,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        7,
+        12,
+      ],
+      "type": "Keyword",
+      "value": "catch",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 14,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 13,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        13,
+        14,
+      ],
+      "type": "Punctuator",
+      "value": "{",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 15,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 14,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        14,
+        15,
+      ],
+      "type": "Punctuator",
+      "value": "}",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 23,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 16,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        16,
+        23,
+      ],
+      "type": "Keyword",
+      "value": "finally",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 25,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 24,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        24,
+        25,
+      ],
+      "type": "Punctuator",
+      "value": "{",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 26,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 25,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        25,
+        26,
+      ],
+      "type": "Punctuator",
+      "value": "}",
+    },
+  ],
+  "type": "Program",
+}
+`;
+
 exports[`ecmaFeatures fixtures/exponentiationOperators/exponential-operators.src 1`] = `
 Object {
   "body": Array [