diff --git a/README.md b/README.md
index fe88f18..5b01b4f 100644
--- a/README.md
+++ b/README.md
@@ -97,7 +97,7 @@ def hello(ctx: c_void_p) -> c_int64:
         return c_int64(0)
     else:
         hist.update(process_id, one)
-    return c_int64(0)
+    return 0
 
 
 @bpf