diff --git a/src/runtime/tests.rs b/src/runtime/tests.rs
index 0218068ac87f8f7a23e48e27ea96d45a311ea7ad..7d6ae12b435c1331daee790ba951677275e52ebb 100644
--- a/src/runtime/tests.rs
+++ b/src/runtime/tests.rs
@@ -1401,11 +1401,11 @@ fn eq_no_causality() {
         T something = a;
         return something;
     }
-    primitive quick_test(in<msg> a, in<msg> b) {
+    primitive quick_test(in<int> a, in<int> b) {
         // msg ma = null;
-        msg test1 = null;
-        msg test2 = null;
-        msg ma = some_function(test1, test2);
+        auto test1 = 0;
+        auto test2 = 0;
+        auto ma = some_function(test1, test2);
         while(true) synchronous {
             if (fires(a)) {
                 ma = get(a);