diff --git a/gramps2/src/ArgHandler.py b/gramps2/src/ArgHandler.py
index 5db53e3a2..16db07584 100644
--- a/gramps2/src/ArgHandler.py
+++ b/gramps2/src/ArgHandler.py
@@ -89,6 +89,7 @@ class ArgHandler:
 
         self.open_gui = None
         self.open = None
+        self.cl = 0
         self.exports = []
         self.actions = []
         self.imports = []