diff -r da5f1fa46f2b -r fb73a6b6622d dialogs/SFCStepDialog.py
--- a/dialogs/SFCStepDialog.py	Thu Oct 19 10:57:35 2017 +0300
+++ b/dialogs/SFCStepDialog.py	Thu Oct 19 11:03:03 2017 +0300
@@ -94,7 +94,7 @@
 
         # Set default name for step
         self.StepName.ChangeValue(controller.GenerateNewName(
-               tagname, None, "Step%d", 0))
+            tagname, None, "Step%d", 0))
 
         self.Fit()