diff -r da5f1fa46f2b -r fb73a6b6622d dialogs/ConnectionDialog.py
--- a/dialogs/ConnectionDialog.py	Thu Oct 19 10:57:35 2017 +0300
+++ b/dialogs/ConnectionDialog.py	Thu Oct 19 11:03:03 2017 +0300
@@ -106,7 +106,7 @@
         else:
             self.ConnectionName.ChangeValue(
                 controller.GenerateNewName(
-                        tagname, None, "Connection%d", 0))
+                    tagname, None, "Connection%d", 0))
         self.Fit()
 
         # Connector radio button is default control having keyboard focus