diff --git a/vlib/v/tests/option_test.v b/vlib/v/tests/option_test.v
index f09aa82932..c9b857ed5a 100644
--- a/vlib/v/tests/option_test.v
+++ b/vlib/v/tests/option_test.v
@@ -127,8 +127,8 @@ fn test_propagation() {
 	println(6)
 }
 
-fn test_q() {
-	// assert foo_ok()? == true
+fn test_q() ? {
+	assert foo_ok() ? == 777
 }
 
 fn or_return_val() int {