diff --git a/Tools/bgen/bgen/macsupport.py b/Tools/bgen/bgen/macsupport.py
index 4c84dbf2079..5a00eca96eb 100644
--- a/Tools/bgen/bgen/macsupport.py
+++ b/Tools/bgen/bgen/macsupport.py
@@ -15,7 +15,7 @@ SignedByte = Type("SignedByte", "b")
 ScriptCode = Type("ScriptCode", "h")
 Size = Type("Size", "l")
 Style = Type("Style", "b")
-StyleParameter = Type("Style", "h")
+StyleParameter = Type("StyleParameter", "h")
 CharParameter = Type("CharParameter", "h")
 TextEncoding = Type("TextEncoding", "l")