diff --git a/service_layer/uow.py b/service_layer/uow.py
index b19916d..32f875d 100644
--- a/service_layer/uow.py
+++ b/service_layer/uow.py
@@ -22,7 +22,8 @@ def __enter__(self):
         return self
 
     def __exit__(self, exc_type, exc_value, traceback):
-        self.rollback()
+        if exc_type:
+            self.rollback()
 
     @abstractmethod
     def commit(self):