diff --git a/github-markdown.css b/github-markdown.css
index c5f9777..2a58d73 100644
--- a/github-markdown.css
+++ b/github-markdown.css
@@ -175,6 +175,7 @@
 .markdown-body pre {
   font-family: monospace, monospace;
   font-size: 1em;
+	white-space: pre-wrap;
 }
 
 .markdown-body hr {