diff --git a/src/pyj/read_book/prefs/scrolling.pyj b/src/pyj/read_book/prefs/scrolling.pyj
index d61c597ef9..71a6511eb6 100644
--- a/src/pyj/read_book/prefs/scrolling.pyj
+++ b/src/pyj/read_book/prefs/scrolling.pyj
@@ -17,10 +17,10 @@ MIN_SCROLL_SPEED_AUTO = 0.05
 MAX_SCROLL_SPEED_AUTO = 5
 
 MIN_SCROLL_AUTO_DELAY = -1
-MAX_SCROLL_AUTO_DELAY = 10
+MAX_SCROLL_AUTO_DELAY = 50
 
-MIN_SCROLL_SPEED_SMOOTH = 10
-MAX_SCROLL_SPEED_SMOOTH = 50
+MIN_SCROLL_SPEED_SMOOTH = 5
+MAX_SCROLL_SPEED_SMOOTH = 80
 
 def restore_defaults():
     container = get_container()