diff --git a/server/src/com/cloud/vm/snapshot/VMSnapshotManagerImpl.java b/server/src/com/cloud/vm/snapshot/VMSnapshotManagerImpl.java
index b49db9b51c1..2dcd2e27b5a 100644
--- a/server/src/com/cloud/vm/snapshot/VMSnapshotManagerImpl.java
+++ b/server/src/com/cloud/vm/snapshot/VMSnapshotManagerImpl.java
@@ -709,7 +709,7 @@ public class VMSnapshotManagerImpl extends ManagerBase implements VMSnapshotMana
             return userVm;
         } catch (Exception e) {
             s_logger.debug("Failed to revert vmsnapshot: " + vmSnapshotId, e);
-            return null;
+            throw new CloudRuntimeException(e.getMessage());
         }
     }