diff --git a/src/pyj/read_book/paged_mode.pyj b/src/pyj/read_book/paged_mode.pyj
index 84918b18e8..fb7c2a6179 100644
--- a/src/pyj/read_book/paged_mode.pyj
+++ b/src/pyj/read_book/paged_mode.pyj
@@ -180,7 +180,7 @@ def layout(is_single_page, on_resize):
     set_css(document.body, column_gap=gap + 'px', column_width=col_width + 'px', column_rule='0px inset blue',
         min_width='0', max_width='none', min_height='0', max_height='100vh', column_fill='auto',
         margin='0', border_width='0', padding='0', box_sizing='content-box',
-        width=screen_width + 'px', height=screen_height + 'px'
+        width=screen_width + 'px', height=screen_height + 'px', overflow_wrap='break-word'
     )
     # Without this, webkit bleeds the margin of the first block(s) of body
     # above the columns, which causes them to effectively be added to the