diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/query/change/IsWatchedByPredicate.java b/gerrit-server/src/main/java/com/google/gerrit/server/query/change/IsWatchedByPredicate.java
index 320453e5fb..ade1f35525 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/query/change/IsWatchedByPredicate.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/query/change/IsWatchedByPredicate.java
@@ -89,7 +89,7 @@ class IsWatchedByPredicate extends AndPredicate<ChangeData> {
     } else if (checkIsVisible) {
       return ImmutableList.of(or(r), builder.is_visible());
     } else {
-      return r;
+      return ImmutableList.of(or(r));
     }
   }