diff --git a/ag/gm/include/clan.inc.php b/ag/gm/include/clan.inc.php
index b9b325f..8e5f1b4 100644
--- a/ag/gm/include/clan.inc.php
+++ b/ag/gm/include/clan.inc.php
@@ -240,12 +240,14 @@ if($raumname !== NULL){
 function displayGeneralOptions($ccfee) {
 	$change = false;
 	if($ccfee != null && $ccfee != CLAN_CREATION_FEE) {
-		setDefine('CLAN_CREATION_FEE', $ccfee);
+		if(is_numeric($ccfee)) {
+			setDefine('CLAN_CREATION_FEE', $ccfee);
+		}
 	}
 	?>
 <form method="POST">
-	<input type="hidden" name="choose" value="clan"> 
-	<input type="hidden" name="action" value="general">
+	<input type="hidden" name="choose" value="clan"> <input type="hidden"
+		name="action" value="general">
 	<table width="50%">
 		<tr>
 			<th colspan="2" align="center"><h1>Übersicht</h1></th>
@@ -257,19 +259,22 @@ function displayGeneralOptions($ccfee) {
 		<?php }?>
 		<tr>
 			<td align="left">Gr&uuml;ndungsgeb&uuml;hr</td>
-			<td align="center"><input type="text" name="ccfee"	value=<?php echo ($ccfee == null)?CLAN_CREATION_FEE:$ccfee;?>></td>
+			<td align="center"><input type="text" name="ccfee"
+				value=<?php echo ($ccfee == null)?CLAN_CREATION_FEE:$ccfee;?>></td>
 		</tr>
 		<tr>
-			<td align="center" colspan="2"><input type="submit"	value="&auml;ndern"></td>
+			<td align="center" colspan="2"><input type="submit"
+				value="&auml;ndern"></td>
 		</tr>
 		<tr>
 			<td align="center" colspan="2"><a
-				href="<?php echo $_SERVER['PHP_SELF'].'?choose=clan'; ?>">Zum Clanmenu</a>
+				href="<?php echo $_SERVER['PHP_SELF'].'?choose=clan'; ?>">Zum
+					Clanmenu</a>
 			</td>
 		</tr>
 	</table>
 </form>
-	<?php
+		<?php
 }
 
 function displayClanOptions() {