diff --git a/src/runtime2/tests/mod.rs b/src/runtime2/tests/mod.rs
index 30568689f005d5c7ab31d56b024adb674253a55c..28448eebad2897ede211d30682d958c2ac5d8251 100644
--- a/src/runtime2/tests/mod.rs
+++ b/src/runtime2/tests/mod.rs
@@ -225,16 +225,21 @@ fn test_empty_select() {
 #[test]
 fn test_random_u32_temporary_thingo() {
     let pd = ProtocolDescription::parse(b"
-    primitive random_taker(in<u32> generator) {
-        sync {
-            auto a = get(generator);
+    primitive random_taker(in<u32> generator, u32 num_values) {
+        auto i = 0;
+        while (i < num_values) {
+            sync {
+                auto a = get(generator);
+            }
+            i += 1;
         }
     }
 
     composite constructor() {
         channel tx -> rx;
-        new random_u32(tx, 1, 100);
-        new random_taker(rx);
+        auto num_values = 25;
+        new random_u32(tx, 1, 100, num_values);
+        new random_taker(rx, num_values);
     }
     ").expect("compilation");
     let rt = Runtime::new(1, true, pd);