diff --git a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/shared/QueueingDataSetStatusUpdaterService.java b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/shared/QueueingDataSetStatusUpdaterService.java
index 97a688856d027b0266d07226e3221c44fbdab92e..402a3b00f981919dd1c6014f78e6e43a5703fd87 100644
--- a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/shared/QueueingDataSetStatusUpdaterService.java
+++ b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/shared/QueueingDataSetStatusUpdaterService.java
@@ -271,9 +271,9 @@ public class QueueingDataSetStatusUpdaterService
         private static final long MAX_SLEEP_TIME = 86400 * SECOND_IN_MILIS;
 
         /** after each sleep increase the sleep time using this factor */
-        private static final int FACTOR = 10;
+        private static final int FACTOR = 2;
 
-        /** current sleep time in miliseconds */
+        /** current sleep time in milliseconds */
         private static long sleepTime = INITIAL_SLEEP_TIME;
 
         public static String getCurrentSleepTime()