diff --git a/cranelift/filetests/src/function_runner.rs b/cranelift/filetests/src/function_runner.rs
index 1c1272cce7..8837596ed9 100644
--- a/cranelift/filetests/src/function_runner.rs
+++ b/cranelift/filetests/src/function_runner.rs
@@ -99,7 +99,9 @@ mod test {
     #[test]
     fn nop() {
         let code = String::from(
-            "function %test() -> b8 system_v {
+            "
+            test run
+            function %test() -> b8 {
             ebb0:
                 nop
                 v1 = bconst.b8 true