diff --git a/IM/connectors/Orange.py b/IM/connectors/Orange.py
index fcf536a7c..b320a0af4 100644
--- a/IM/connectors/Orange.py
+++ b/IM/connectors/Orange.py
@@ -127,7 +127,7 @@ def concrete_system(self, radl_system, str_url, auth_data):
             return None
 
     @staticmethod
-    def get_volumes(driver, image, radl):
+    def get_volumes(driver, image, volume, radl):
         """
         Create the required volumes (in the RADL) for the VM.