diff --git a/xwiki-platform-core/xwiki-platform-user/xwiki-platform-user-profile/xwiki-platform-user-profile-ui/src/main/resources/XWiki/XWikiUserSheet.xml b/xwiki-platform-core/xwiki-platform-user/xwiki-platform-user-profile/xwiki-platform-user-profile-ui/src/main/resources/XWiki/XWikiUserSheet.xml
index 0a0cb1c85ed0..8b389d6f8e12 100644
--- a/xwiki-platform-core/xwiki-platform-user/xwiki-platform-user-profile/xwiki-platform-user-profile-ui/src/main/resources/XWiki/XWikiUserSheet.xml
+++ b/xwiki-platform-core/xwiki-platform-user/xwiki-platform-user-profile/xwiki-platform-user-profile-ui/src/main/resources/XWiki/XWikiUserSheet.xml
@@ -670,7 +670,7 @@ span#avatarUpload {
       color: @link-color;
       cursor: pointer;
       display: unset;
-      font-size: unset;
+      font-size: @font-size-small;
       font-weight: normal;
       line-height: unset;
       margin: unset;