diff --git a/templates/macros.html b/templates/macros.html
index 86311355e5c57e34607c086d0070ae45f35f23dc..82774d13d46f39378d4725ceeec875ffd940de29 100644
--- a/templates/macros.html
+++ b/templates/macros.html
@@ -62,7 +62,7 @@ $('#videoplayer').css("width");
 	<div class="row">
 			{% if show_semester %}
 				<span class="col-xs-2 col-md-1">
-					{{ course.semester }}
+					{{ course.semester|semester }}
 				</span>
 				<span class="col-xs-10 col-md-6">
 			{% else %}