diff --git a/blocks/course_summary/block_course_summary.php b/blocks/course_summary/block_course_summary.php
index 7d4945f0cd5..0f60aade289 100644
--- a/blocks/course_summary/block_course_summary.php
+++ b/blocks/course_summary/block_course_summary.php
@@ -41,6 +41,11 @@ class CourseBlock_course_summary extends MoodleBlock {
     function hide_header() {
         return true;
     }
+
+    function preferred_width() {
+        return 210;
+    }
+
 }
 
 ?>