diff --git a/src/pyj/read_book/prefs/scrolling.pyj b/src/pyj/read_book/prefs/scrolling.pyj
index 55e0dc03c1..3ae6947910 100644
--- a/src/pyj/read_book/prefs/scrolling.pyj
+++ b/src/pyj/read_book/prefs/scrolling.pyj
@@ -87,7 +87,7 @@ def create_scrolling_panel(container, apply_func, cancel_func):
             *spinner(
                 'lines_per_sec_auto',
                 _('Auto scrolling speed in lines/sec:'),
-                step=0.1,
+                step=0.05,
                 min=MIN_SCROLL_SPEED_AUTO,
                 max=MAX_SCROLL_SPEED_AUTO
             ),