diff --git a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/Quota.java b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/Quota.java
index ee938657d2287..6879694b545bd 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/Quota.java
+++ b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/Quota.java
@@ -204,7 +204,8 @@ QuotaUsage getGlobalQuota(String path) throws IOException {
    * @return {@code true} if path is a mount entry; {@code false} otherwise.
    */
   private boolean isMountEntry(String path) {
-    return router.getQuotaManager().isMountEntry(path);
+    return router.isQuotaEnabled() &&
+        router.getQuotaManager().isMountEntry(path);
   }
 
   /**