diff --git a/common/src/test/java/net/william278/husksync/player/DummyPlayer.java b/common/src/test/java/net/william278/husksync/player/DummyPlayer.java
index abc1b378..847f77d0 100644
--- a/common/src/test/java/net/william278/husksync/player/DummyPlayer.java
+++ b/common/src/test/java/net/william278/husksync/player/DummyPlayer.java
@@ -166,4 +166,9 @@ public class DummyPlayer extends OnlineUser {
         return false;
     }
 
+    @Override
+    public boolean isLocked() {
+        return false;
+    }
+
 }