diff --git a/src/runtime/tests.rs b/src/runtime/tests.rs
index 7d6ae12b435c1331daee790ba951677275e52ebb..052b3e04d4d9ef84c1aa8f87460e85a65c30df91 100644
--- a/src/runtime/tests.rs
+++ b/src/runtime/tests.rs
@@ -1397,7 +1397,7 @@ fn eq_no_causality() {
             }
         }
     }
-    T some_function<T>(msg a, msg b) {
+    T some_function<T>(int a, int b) {
         T something = a;
         return something;
     }