diff --git a/app/assets/stylesheets/generic/gfm.scss b/app/assets/stylesheets/generic/gfm.scss
index bd9200ace23a84ed73376793970d34d7a0e20d6e..5ae0520fd7b6d9eabe815bef2bfbc80be70b6227 100644
--- a/app/assets/stylesheets/generic/gfm.scss
+++ b/app/assets/stylesheets/generic/gfm.scss
@@ -22,4 +22,5 @@
 
 .gfm-commit, .gfm-commit_range {
   font-family: $monospace_font;
+  font-size: 90%;
 }