diff --git a/storm-server/src/main/java/org/apache/storm/scheduler/blacklist/BlacklistScheduler.java b/storm-server/src/main/java/org/apache/storm/scheduler/blacklist/BlacklistScheduler.java
index b29981f20b9..2f9aca767c6 100644
--- a/storm-server/src/main/java/org/apache/storm/scheduler/blacklist/BlacklistScheduler.java
+++ b/storm-server/src/main/java/org/apache/storm/scheduler/blacklist/BlacklistScheduler.java
@@ -194,7 +194,11 @@ private Set<String> refreshBlacklistedSupervisorIds(Cluster cluster, Topologies
                 new ArrayList<>(badSupervisorsToleranceSlidingWindow),
                 new ArrayList<>(sendAssignmentFailureCount),
                 cluster, topologies);
-        LOG.info("Supervisors {} are blacklisted.", blacklistedSupervisors);
+        if (blacklistedSupervisors.isEmpty()) {
+            LOG.debug("No Supervisors are blacklisted.");
+        } else {
+            LOG.info("Supervisors {} are blacklisted.", blacklistedSupervisors);
+        }
         return blacklistedSupervisors;
     }