diff --git a/calibre-plugin/plugin-defaults.ini b/calibre-plugin/plugin-defaults.ini
index 3d002c54..d3244713 100644
--- a/calibre-plugin/plugin-defaults.ini
+++ b/calibre-plugin/plugin-defaults.ini
@@ -1239,7 +1239,7 @@ include_in_freefromtags:freeformtags
 ## chapterstotal is just the total chapters part after the /
 include_in_chapterstotal:chapterslashtotal.NOREPL
 add_to_replace_metadata:
- chapterstotal=>^([0-9])/(.+)$=>\2
+ chapterstotal=>^([0-9])+/(.+)$=>\2
 
 ## adds to titlepage_entries instead of replacing it.
 #extra_titlepage_entries: fandoms,freeformtags,ao3categories,comments,chapterslashtotal,chapterstotal,kudos,hits,bookmarks,bookmarked,bookmarktags,bookmarksummary,series01HTML,series02HTML,series03HTML,byline
diff --git a/fanficfare/defaults.ini b/fanficfare/defaults.ini
index f98c1e74..907f42f9 100644
--- a/fanficfare/defaults.ini
+++ b/fanficfare/defaults.ini
@@ -1275,7 +1275,7 @@ include_in_freefromtags:freeformtags
 ## chapterstotal is just the total chapters part after the /
 include_in_chapterstotal:chapterslashtotal.NOREPL
 add_to_replace_metadata:
- chapterstotal=>^([0-9])/(.+)$=>\2
+ chapterstotal=>^([0-9])+/(.+)$=>\2
 
 ## adds to titlepage_entries instead of replacing it.
 #extra_titlepage_entries: fandoms,freeformtags,ao3categories,comments,chapterslashtotal,chapterstotal,kudos,hits,bookmarks,bookmarked,bookmarktags,bookmarksummary,series01HTML,series02HTML,series03HTML,byline