diff --git a/Orm/Xtensive.Orm/Orm/Upgrade/SystemUpgradeHandler.cs b/Orm/Xtensive.Orm/Orm/Upgrade/SystemUpgradeHandler.cs
index 540c84765..4de4612d0 100644
--- a/Orm/Xtensive.Orm/Orm/Upgrade/SystemUpgradeHandler.cs
+++ b/Orm/Xtensive.Orm/Orm/Upgrade/SystemUpgradeHandler.cs
@@ -280,6 +280,7 @@ private void ParseStoredDomainModel()
       }
       catch (Exception e) {
         UpgradeLog.Warning(e, Strings.LogFailedToExtractDomainModelFromStorage);
+        throw;
       }
     }