diff --git a/server/src/com/cloud/storage/StorageManagerImpl.java b/server/src/com/cloud/storage/StorageManagerImpl.java
index a5ffbb0b3b7..c0afa32f16f 100644
--- a/server/src/com/cloud/storage/StorageManagerImpl.java
+++ b/server/src/com/cloud/storage/StorageManagerImpl.java
@@ -1005,7 +1005,7 @@ public class StorageManagerImpl extends ManagerBase implements StorageManager, C
             _capacityDao.persist(capacity);
         } else {
             CapacityVO capacity = capacities.get(0);
-            if (capacity.getTotalCapacity() != totalOverProvCapacity || allocated != 0L || capacity.getCapacityState() != capacityState) {
+            if (capacity.getTotalCapacity() != totalOverProvCapacity || allocated != capacity.getUsedCapacity() || capacity.getCapacityState() != capacityState) {
                 capacity.setTotalCapacity(totalOverProvCapacity);
                 capacity.setUsedCapacity(allocated);
                 capacity.setCapacityState(capacityState);