diff --git a/src/main/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/ZkSharedRefDatabase.java b/src/main/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/ZkSharedRefDatabase.java
index 3fc54a3..0aa0c9f 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/ZkSharedRefDatabase.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/ZkSharedRefDatabase.java
@@ -168,7 +168,7 @@
       String message =
           String.format(
               "Error trying to perform CAS of generic value at path %s", pathFor(project, refName));
-      logger.atWarning().withCause(e).log(message);
+      logger.atWarning().withCause(e).log("%s", message);
       throw new GlobalRefDbSystemError(message, e);
     }
   }