diff --git a/app/views/site/styles/_forms.css.erb b/app/views/site/styles/_forms.css.erb
index 64228e0b2..9290852f9 100644
--- a/app/views/site/styles/_forms.css.erb
+++ b/app/views/site/styles/_forms.css.erb
@@ -92,7 +92,7 @@ form.standard_form #time_end
 }
 
 div.time-picker li {
-  whitespace: no-wrap;
+  white-space: nowrap;
 }
 
 /* @end */