diff --git a/scripts/slideshow.py b/scripts/slideshow.py
index 7626a6ac..8a9541a7 100644
--- a/scripts/slideshow.py
+++ b/scripts/slideshow.py
@@ -36,7 +36,7 @@ class Main(App):
                 file_idx += 1
             except Exception as e:
                 self.logger.error(e)
-                break
+                return 3
 
         widths = set(img.width for img in images)
         heights = set(img.height for img in images)