diff --git a/bindings/const_generator.py b/bindings/const_generator.py
index c5a122bb..7adafe33 100644
--- a/bindings/const_generator.py
+++ b/bindings/const_generator.py
@@ -69,7 +69,7 @@ template = {
             'sparc.h': 'Sparc',
             'm68k.h': 'M68k',
             'unicorn.h': 'Common',
-            'comment_open': '//',
+            'comment_open': '    //',
             'comment_close': '',
         },
 }