diff --git a/.gitignore b/.gitignore
index 00f9cca..154a829 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 *.pyc
 *.out
 parsetab.py
+build/
+*.egg-info/
diff --git a/pyverilog/vparser/parser.py b/pyverilog/vparser/parser.py
index 0de0264..7bc25f4 100644
--- a/pyverilog/vparser/parser.py
+++ b/pyverilog/vparser/parser.py
@@ -628,7 +628,13 @@ def create_declassign(self, sigtypes, name, assign, width=None, lineno=0):
         if 'reg' in sigtypes:
             decls.append(Reg(name=name, width=width,
                              signed=signed, lineno=lineno))
-        decls.append(assign)
+
+        # Declassign of reg is the same as an initial block with blocking
+        # assignment.
+        if 'reg' in sigtypes:
+            decls.append(Initial(BlockingSubstitution(*(assign.children()))))
+        else:
+            decls.append(assign)
         return decls
 
     def typecheck_declassign(self, sigtypes):