diff --git a/hbase-rsgroup/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.java b/hbase-rsgroup/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.java
index 901aafa7a5a..0fd522477df 100644
--- a/hbase-rsgroup/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.java
+++ b/hbase-rsgroup/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.java
@@ -395,12 +395,14 @@ public class RSGroupBasedLoadBalancer implements RSGroupableBalancer {
 
   @Override
   public void onConfigurationChange(Configuration conf) {
+    this.config = conf;
     boolean newFallbackEnabled = conf.getBoolean(FALLBACK_GROUP_ENABLE_KEY, false);
     if (fallbackEnabled != newFallbackEnabled) {
       LOG.info("Changing the value of {} from {} to {}", FALLBACK_GROUP_ENABLE_KEY,
         fallbackEnabled, newFallbackEnabled);
       fallbackEnabled = newFallbackEnabled;
     }
+    internalBalancer.onConfigurationChange(conf);
   }
 
   @Override