diff --git a/sensing/pointcloud_preprocessor/src/concatenate_data/concatenate_and_time_sync_nodelet.cpp b/sensing/pointcloud_preprocessor/src/concatenate_data/concatenate_and_time_sync_nodelet.cpp
index 38d4c701b6a02..95abe59d6b872 100644
--- a/sensing/pointcloud_preprocessor/src/concatenate_data/concatenate_and_time_sync_nodelet.cpp
+++ b/sensing/pointcloud_preprocessor/src/concatenate_data/concatenate_and_time_sync_nodelet.cpp
@@ -701,7 +701,7 @@ void PointCloudConcatenateDataSynchronizerComponent::checkConcatStatus()
     diag_status_msg.values.push_back(key_value_msg);
   }
 
-  if (consecutive_concatenate_failures > 1) {
+  if (consecutive_concatenate_failures > 2) {
     diag_status_msg.level = diagnostic_msgs::msg::DiagnosticStatus::WARN;
     diag_status_msg.message = "Some topics are not concatenated";
   } else {