diff --git a/Python/Python-ast.c b/Python/Python-ast.c
index 38b9292..6a2f28e 100644
--- a/Python/Python-ast.c
+++ b/Python/Python-ast.c
@@ -528,10 +528,11 @@
     return 0;
 }
 
-static void
+static int
 ast_clear(AST_object *self)
 {
     Py_CLEAR(self->dict);
+    return 0;
 }
 
 static int