diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/locking/TestLockProcedure.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/locking/TestLockProcedure.java
index ce02395a171..a817bd5b379 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/locking/TestLockProcedure.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/locking/TestLockProcedure.java
@@ -397,7 +397,7 @@ public class TestLockProcedure {
     sendHeartbeatAndCheckLocked(procId, true);
     Thread.sleep(HEARTBEAT_TIMEOUT/2);
     sendHeartbeatAndCheckLocked(procId, true);
-    Thread.sleep(2 * HEARTBEAT_TIMEOUT);
+    Thread.sleep(2 * HEARTBEAT_TIMEOUT + HEARTBEAT_TIMEOUT/2);
     sendHeartbeatAndCheckLocked(procId, false);
     ProcedureTestingUtility.waitProcedure(procExec, procId);
     ProcedureTestingUtility.assertProcNotFailed(procExec, procId);