diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java
index 30b5fca02a5..d64bac2bb7e 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java
@@ -1238,6 +1238,10 @@ public class StochasticLoadBalancer extends BaseLoadBalancer {
       this.conf = conf;
       // What percent of the number of regions a single run of the balancer can move.
       maxMovesPercent = conf.getFloat(MAX_MOVES_PERCENT_KEY, DEFAULT_MAX_MOVE_PERCENT);
+
+      // Initialize the multiplier so that addCostFunction will add this cost function.
+      // It may change during later evaluations, due to OffPeakHours.
+      this.setMultiplier(conf.getFloat(MOVE_COST_KEY, DEFAULT_MOVE_COST));
     }
 
     @Override
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancer.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancer.java
index e32e972b816..3dfb44ee8bf 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancer.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancer.java
@@ -35,6 +35,7 @@ import java.util.Queue;
 import java.util.TimeZone;
 import java.util.TreeMap;
 
+import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
@@ -55,8 +56,8 @@ import org.apache.hadoop.hbase.testclassification.FlakeyTests;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.hbase.util.EnvironmentEdge;
-import org.junit.Ignore;
 import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
+import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 
@@ -716,7 +717,7 @@ public class TestStochasticLoadBalancer extends BalancerTestBase {
   @Test
   public void testAdditionalCostFunction() {
     conf.set(StochasticLoadBalancer.COST_FUNCTIONS_COST_FUNCTIONS_KEY,
-            DummyCostFunction.class.getName());
+      DummyCostFunction.class.getName());
 
     loadBalancer.setConf(conf);
     System.out.println(Arrays.toString(loadBalancer.getCostFunctionNames()));
@@ -725,6 +726,27 @@ public class TestStochasticLoadBalancer extends BalancerTestBase {
             contains(DummyCostFunction.class.getSimpleName()));
   }
 
+  @Test
+  public void testDefaultCostFunctionList() {
+    List<String> expected = Arrays.asList(
+      StochasticLoadBalancer.RegionCountSkewCostFunction.class.getSimpleName(),
+      StochasticLoadBalancer.PrimaryRegionCountSkewCostFunction.class.getSimpleName(),
+      StochasticLoadBalancer.MoveCostFunction.class.getSimpleName(),
+      StochasticLoadBalancer.RackLocalityCostFunction.class.getSimpleName(),
+      StochasticLoadBalancer.TableSkewCostFunction.class.getSimpleName(),
+      StochasticLoadBalancer.RegionReplicaHostCostFunction.class.getSimpleName(),
+      StochasticLoadBalancer.RegionReplicaRackCostFunction.class.getSimpleName(),
+      StochasticLoadBalancer.ReadRequestCostFunction.class.getSimpleName(),
+      StochasticLoadBalancer.WriteRequestCostFunction.class.getSimpleName(),
+      StochasticLoadBalancer.MemstoreSizeCostFunction.class.getSimpleName(),
+      StochasticLoadBalancer.StoreFileCostFunction.class.getSimpleName()
+    );
+
+    List<String> actual = Arrays.asList(loadBalancer.getCostFunctionNames());
+    assertTrue("ExpectedCostFunctions: " + expected + " ActualCostFunctions: " + actual,
+      CollectionUtils.isEqualCollection(expected, actual));
+  }
+
   private boolean needsBalanceIdleRegion(int[] clusters) {
     boolean b1 = false;
     boolean b2 = false;