diff --git a/examples/pony/default.pony b/examples/pony/default.pony
index cf1e99afb..b41edf35a 100644
--- a/examples/pony/default.pony
+++ b/examples/pony/default.pony
@@ -3,6 +3,7 @@ actor Main
 
   new create(env: Env) =>
     _env = env
+    square(3)
 
   fun square(num: I32): I32 =>
     num * num