diff --git a/src/runtime/mod.rs b/src/runtime/mod.rs
index d0c89f190b75a73f8a246bb8d4fc762a8c864d24..7f9122e289fe4b875480eb968394b8ca5aa0e7a4 100644
--- a/src/runtime/mod.rs
+++ b/src/runtime/mod.rs
@@ -847,7 +847,7 @@ impl RoundCtx {
             self.getter_push(getter, msg);
         } else {
             log!(cu.logger(), "Putter {:?} has no known peer!", putter);
-            panic!("Putter {:?} has no known peer!");
+            panic!("Putter {:?} has no known peer!", putter);
         }
     }
 }