diff --git a/clang/bindings/python/clang/cindex.py b/clang/bindings/python/clang/cindex.py
index 36761bd85966..880a1502a4ba 100644
--- a/clang/bindings/python/clang/cindex.py
+++ b/clang/bindings/python/clang/cindex.py
@@ -3075,7 +3075,7 @@ functionList = [
 
   ("clang_Cursor_isBitField",
    [Cursor],
-   c_long),
+   bool),
 
   ("clang_Type_getAlignOf",
    [Type],