diff --git a/moviepy/video/tools/credits.py b/moviepy/video/tools/credits.py
index 90762959b..d6833345e 100644
--- a/moviepy/video/tools/credits.py
+++ b/moviepy/video/tools/credits.py
@@ -10,7 +10,7 @@
 
 def credits1(creditfile,width,stretch=30,color='white',
                  stroke_color='black', stroke_width=2,
-                 font='Impact-Normal',fontsize=60):
+                 font='Impact-Normal',fontsize=60,gap=0):
     """