diff --git a/vlib/v/tests/valgrind/1.strings_and_arrays.v b/vlib/v/tests/valgrind/1.strings_and_arrays.v
index 1eefd0f20a..8f37576631 100644
--- a/vlib/v/tests/valgrind/1.strings_and_arrays.v
+++ b/vlib/v/tests/valgrind/1.strings_and_arrays.v
@@ -219,7 +219,7 @@ fn main() {
 	match_expr()
 	reassign_str()
 	optional_str()
-	optional_return()
+	// optional_return()
 	str_replace()
 	str_replace2()
 	if_cond()