diff --git a/src/CraneCtld/CranedMetaContainer.cpp b/src/CraneCtld/CranedMetaContainer.cpp
index f2e8a953..c5b78d12 100644
--- a/src/CraneCtld/CranedMetaContainer.cpp
+++ b/src/CraneCtld/CranedMetaContainer.cpp
@@ -426,8 +426,10 @@ crane::grpc::QueryClusterInfoReply CranedMetaContainer::QueryClusterInfo(
   };
 
   if (request.filter_craned_control_states().empty() ||
-      request.filter_craned_resource_states().empty())
+      request.filter_craned_resource_states().empty()) {
+    reply.set_ok(true);
     return reply;
+  }
 
   const int control_state_num = crane::grpc::CranedControlState_ARRAYSIZE;
   bool control_filters[control_state_num] = {false};
@@ -532,6 +534,7 @@ crane::grpc::QueryClusterInfoReply CranedMetaContainer::QueryClusterInfo(
     }
   });
 
+  reply.set_ok(true);
   return reply;
 }