diff --git a/searx/templates/oscar/languages.html b/searx/templates/oscar/languages.html
index 996c427b..369abca8 100644
--- a/searx/templates/oscar/languages.html
+++ b/searx/templates/oscar/languages.html
@@ -1,5 +1,5 @@
 {% if preferences %}
-<select class="form-control" name='language'>
+<select class="custom-select form-control" name='language'>
 {% else %}
 <select class="time_range custom-select form-control" id='language' name='language'>
 {% endif %}