diff --git a/markdownrunner.py b/markdownrunner.py
index 6607c6c..e14948a 100755
--- a/markdownrunner.py
+++ b/markdownrunner.py
@@ -158,6 +158,11 @@ def user_action(hunk: Sequence[Command], context=None) -> Sequence[Command]:
 		return hunk
 	elif answer.startswith(('n', 'N')):
 		return []
+	else:
+		# Bad choice or error. Notify user and try again
+		print("Bad choice, or maybe bug.")
+		# No goto, use recursion
+		return user_action(hunk, context)