diff --git a/apps/files_versions/css/versions.css b/apps/files_versions/css/versions.css
index 8838ea84846..80fa196b729 100644
--- a/apps/files_versions/css/versions.css
+++ b/apps/files_versions/css/versions.css
@@ -1,5 +1,5 @@
 #dropdown.drop-versions {
-	width:384em;
+	width:384px;
 }
 
 #found_versions li {