diff --git a/huepaper.py b/huepaper.py
index d2104a7..de87a41 100755
--- a/huepaper.py
+++ b/huepaper.py
@@ -183,6 +183,7 @@ def save_image(filepath, image):
         stop = False
         while not stop:
             try:
+                image.mode = 'RGB'
                 image.save(filepath)
                 stop = True
             except Exception as e: