diff --git a/src/autoslope.h b/src/autoslope.h
--- a/src/autoslope.h
+++ b/src/autoslope.h
@@ -36,7 +36,9 @@ static inline bool AutoslopeCheckForEntr
  */
 static inline bool AutoslopeEnabled()
 {
-	return (_patches.autoslope && IsValidPlayer(_current_player) && !_is_old_ai_player);
+	return (_patches.autoslope &&
+	        ((IsValidPlayer(_current_player) && !_is_old_ai_player) ||
+	         (_current_player == OWNER_NONE && _game_mode == GM_EDITOR)));
 }
 
 #endif /* AUTOSLOPE_H */