diff --git a/src/vt/vrt/collection/balance/temperedlb/temperedlb.cc b/src/vt/vrt/collection/balance/temperedlb/temperedlb.cc
index fca1c9d7c5..43287fbfac 100644
--- a/src/vt/vrt/collection/balance/temperedlb/temperedlb.cc
+++ b/src/vt/vrt/collection/balance/temperedlb/temperedlb.cc
@@ -585,7 +585,9 @@ void TemperedLB::computeClusterSummary() {
         }
       }
     }
-    cur_blocks_[shared_id] = std::make_tuple(shared_bytes, cluster_load);
+    if (cluster_load != 0) {
+      cur_blocks_[shared_id] = std::make_tuple(shared_bytes, cluster_load);
+    }
   }
 }