diff --git a/swh/web/assets/src/bundles/webapp/webapp.css b/swh/web/assets/src/bundles/webapp/webapp.css
--- a/swh/web/assets/src/bundles/webapp/webapp.css
+++ b/swh/web/assets/src/bundles/webapp/webapp.css
@@ -367,6 +367,8 @@
 .swh-id-option {
     display: inline-block;
     margin-right: 5px;
+    word-wrap: break-word;
+    line-height: 16px;
 }
 
 .nav-pills .nav-link:not(.active):hover {