diff --git a/assets/static/sass/_syntax.sass b/assets/static/sass/_syntax.sass
index fe80fc2..4cf1b1a 100644
--- a/assets/static/sass/_syntax.sass
+++ b/assets/static/sass/_syntax.sass
@@ -3,6 +3,7 @@ pre
   line-height: 120%
   padding: 12px
   color: white
+  overflow-y: scroll
 
 pre .str, code .str
   color: #65b042