diff --git a/apps/readest-app/src/utils/style.ts b/apps/readest-app/src/utils/style.ts
index 09f24f75..54ec9558 100644
--- a/apps/readest-app/src/utils/style.ts
+++ b/apps/readest-app/src/utils/style.ts
@@ -473,6 +473,7 @@ export const getFootnoteStyles = () => `
 
   body {
     padding: 1em !important;
+    overflow-wrap: break-word;
   }
 
   a:any-link {