diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionServerWrapperImpl.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionServerWrapperImpl.java
index ef6bc8c4410..36548351bb9 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionServerWrapperImpl.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionServerWrapperImpl.java
@@ -419,7 +419,7 @@ class MetricsRegionServerWrapperImpl
       // assume that it took PERIOD seconds to start the executor.
       // this is a guess but it's a pretty good one.
       if (lastRan == 0) {
-        lastRan = currentTime - (period * 1000);
+        lastRan = currentTime - period;
       }