diff --git a/lib/assets/stylesheets/dmproadmap/forms.scss b/lib/assets/stylesheets/dmproadmap/forms.scss
index d463dd8..9a8ec64 100644
--- a/lib/assets/stylesheets/dmproadmap/forms.scss
+++ b/lib/assets/stylesheets/dmproadmap/forms.scss
@@ -37,6 +37,10 @@
   height: 25px;
 }
 
+select[multiple="true"], select[multiple="multiple"] {
+  height: 65px;
+}
+
 .checkbox-label {
   display: inline-block;
   font-size: 1em;