diff --git a/package.json b/package.json
index 5ebc77627a..b315d3471c 100644
--- a/package.json
+++ b/package.json
@@ -43,9 +43,10 @@
     "prepare": "npm run setup",
     "setup": "npm run build",
     "presetup": "node ./bin/install-addons.js",
-    "postsetup": "cd addons/xterm-addon-image && npm run inwasm -- -S",
+    "postsetup": "npm run inwasm",
     "prepublishOnly": "npm run package",
     "watch": "tsc -b -w ./tsconfig.all.json --preserveWatchOutput",
+    "inwasm": "cd addons/xterm-addon-image && npm run inwasm -- -S",
     "benchmark": "NODE_PATH=./out xterm-benchmark -r 5 -c test/benchmark/benchmark.json",
     "benchmark-baseline": "NODE_PATH=./out xterm-benchmark -r 5 -c test/benchmark/benchmark.json --baseline out-test/benchmark/test/benchmark/*benchmark.js",
     "benchmark-eval": "NODE_PATH=./out xterm-benchmark -r 5 -c test/benchmark/benchmark.json --eval out-test/benchmark/test/benchmark/*benchmark.js",