diff --git a/docs.it4i/src/css.css b/docs.it4i/src/css.css
index 7a9c4e5dbdeee84d1c6976120407d0c6a8552752..c0eb0ac521496497f7cde0a9a43a1c223cd6a6d6 100644
--- a/docs.it4i/src/css.css
+++ b/docs.it4i/src/css.css
@@ -2,7 +2,7 @@ a:not([href*="//"]) {
     /* CSS for internal links */
 }
 
-a[href*="//"] {
+a[href*="//"]:not([href*="code.it4i.cz"]):not([href*="gitlab.it4i.cz"]):after {
     /*CSS for external links */
     background: transparent url("/img/external.png") no-repeat right 0px top 1px;
     background-size: 12px;