diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/SnapshotFileCache.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/SnapshotFileCache.java
index 006ca2a0ca5..522b1c93f29 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/SnapshotFileCache.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/SnapshotFileCache.java
@@ -190,7 +190,7 @@ public class SnapshotFileCache implements Stoppable {
     }
     if (lock == null || lock.tryLock()) {
       try {
-        if (snapshotManager == null || snapshotManager.isTakingAnySnapshot()) {
+        if (snapshotManager != null && snapshotManager.isTakingAnySnapshot()) {
           LOG.warn("Not checking unreferenced files since snapshot is running, it will "
               + "skip to clean the HFiles this time");
           return unReferencedFiles;