diff --git a/test/dorkbox/network/rmi/TestCowBase.java b/test/dorkbox/network/rmi/TestCowBase.java
index b725713f..cf300ef7 100644
--- a/test/dorkbox/network/rmi/TestCowBase.java
+++ b/test/dorkbox/network/rmi/TestCowBase.java
@@ -5,5 +5,5 @@ package dorkbox.network.rmi;
  */
 public
 interface TestCowBase {
-    void throwException();
+    void throwException() throws UnsupportedOperationException;
 }