diff --git a/css/layout-dark.css b/css/layout-dark.css
index 4a798d4..c638ae6 100644
--- a/css/layout-dark.css
+++ b/css/layout-dark.css
@@ -237,7 +237,7 @@ hr {
 
 .btn-github .icon {
   opacity: 0.6;
-  background: url("../images/blacktocat.png") 0 0 no-repeat;
+  background: url("../images/whitetocat.png") 0 0 no-repeat;
 }
 
 /* Links
diff --git a/images/whitetocat.png b/images/whitetocat.png
new file mode 100644
index 0000000..b1b621d
Binary files /dev/null and b/images/whitetocat.png differ