diff --git a/ag/index.php b/ag/index.php
index 6b17074..3d0b78c 100644
--- a/ag/index.php
+++ b/ag/index.php
@@ -217,6 +217,24 @@ $agb = $_REQUEST['agb'];
 							<tr>
 									<?php
 										$ids = count(getOpenChallengeIDs($user_ida['clan']));
+										if($ids > 0) {
+											$n_ids = array();
+											foreach ($ids as $clan_challenge_id) {
+												$alreadyParticipating = false;
+												$char_ids[] = getParticipatingCharIDs($clan_challenge_id, $user_ida['clan']);
+												// okay,
+												foreach ($char_ids as $char_id) {
+													$char = getChar($char_id);
+													if($char['besitzer'] == $user_ida['id']) {
+														$alreadyParticipating = true;
+														break;
+													}
+												}
+												if(!$alreadyParticipating) {
+													$n_ids[] = $ids;
+												}
+											}
+										}
 
 										if($nnn_nn!=0) {
 											echo '<td colspan="3" align="center" id="pn">';