diff --git a/src/renderer/scss/component/_markdown-preview.scss b/src/renderer/scss/component/_markdown-preview.scss
index 845609efe..62e5bb390 100644
--- a/src/renderer/scss/component/_markdown-preview.scss
+++ b/src/renderer/scss/component/_markdown-preview.scss
@@ -1,5 +1,6 @@
 .markdown-preview {
   margin: 0;
+  word-break: break-all;
 
   // Headers
   h1,