diff --git a/gui-arcade.py b/gui-arcade.py
index 1d29ce6..f390d6d 100644
--- a/gui-arcade.py
+++ b/gui-arcade.py
@@ -318,7 +318,10 @@ class Cubito(arcade.Window):
                 if token_type == "right":
                     cubito.right()
                 if token_type == "function":
-                    self.cubito(function=True)
+                    if function:
+                        return
+                    else:
+                        self.cubito(function=True)