diff --git a/utils/src/test/java/com/cloud/utils/backoff/impl/ConstantTimeBackoffTest.java b/utils/src/test/java/com/cloud/utils/backoff/impl/ConstantTimeBackoffTest.java
index d39751112be..d972a952852 100644
--- a/utils/src/test/java/com/cloud/utils/backoff/impl/ConstantTimeBackoffTest.java
+++ b/utils/src/test/java/com/cloud/utils/backoff/impl/ConstantTimeBackoffTest.java
@@ -44,7 +44,8 @@ public class ConstantTimeBackoffTest {
         Thread.sleep(100);
         Assert.assertFalse(backoff.getWaiters().isEmpty());
         waitThread.interrupt();
-        Thread.sleep(100);
+        final int TIMEOUT_AFTER_INTERUPT = 500;
+        Thread.sleep(TIMEOUT_AFTER_INTERUPT);
         Assert.assertTrue(backoff.getWaiters().isEmpty());
     }