diff --git a/crates/udp/src/workers/socket/validator.rs b/crates/udp/src/workers/socket/validator.rs
index 61e744c..f96b915 100644
--- a/crates/udp/src/workers/socket/validator.rs
+++ b/crates/udp/src/workers/socket/validator.rs
@@ -156,6 +156,10 @@ mod tests {
             return quickcheck::TestResult::failed();
         }
 
-        quickcheck::TestResult::from_bool(original_valid)
+        if max_connection_age == 0 {
+            quickcheck::TestResult::from_bool(!original_valid)
+        } else {
+            quickcheck::TestResult::from_bool(original_valid)
+        }
     }
 }