diff --git a/main/survey/survey_invitation.php b/main/survey/survey_invitation.php
index 576a41a994..3b2e9f73be 100644
--- a/main/survey/survey_invitation.php
+++ b/main/survey/survey_invitation.php
@@ -141,7 +141,7 @@ while ($row = mysql_fetch_assoc($res))
 		}
 		/** @todo this is temporary to allow the developer to quickly fill a survey as a different user */
 		// echo '	<td>'.$row['invitation_code'].'</td>';
-		echo '	<td><a href="fillsurvey.php?course='.$_course['sysCode'].'&amp;invitationcode='.$row['invitation_code'].'">'.$row['invitation_code'].'</td>';
+		//echo '	<td><a href="fillsurvey.php?course='.$_course['sysCode'].'&amp;invitationcode='.$row['invitation_code'].'">'.$row['invitation_code'].'</td>';
 		echo '	<td>'.$row['invitation_date'].'</td>';
 		echo '	<td>';
 		if (in_array($row['user'], $answered_data))