diff --git a/course_credit.module b/course_credit.module
index 8b0300c83..7dbd9dec5 100644
--- a/course_credit.module
+++ b/course_credit.module
@@ -590,7 +590,9 @@ function course_credit_node_view($node, $view_mode = 'full') {
       $cache[$node->nid] = course_credit_render_credit($node);
     }
 
-    $node->content['course_credit']['#markup'] = $cache[$node->nid];
+    if (!empty($cache[$node->nid])) {
+      $node->content['course_credit']['#markup'] = $cache[$node->nid];
+    }
   }
 }