diff --git a/modules/InfoCard/www/STS_card_issuer.php b/modules/InfoCard/www/STS_card_issuer.php
index ca25933792645e2de2f1045c5d9f6b59c119deca..8847f5bdb9d3d375e840204ab486be3e402d10ce 100755
--- a/modules/InfoCard/www/STS_card_issuer.php
+++ b/modules/InfoCard/www/STS_card_issuer.php
@@ -126,7 +126,7 @@ function enable_download($username, $cardid){
 	$time = 'x'.time(); //Cannot start with a number	
 	
 	$uuid = uniqid();
-	$handle = fopen("/tmp/$uuid",'w');
+	$handle = fopen(SimpleSAML_Utilities::getTempDir() . "/$uuid",'w');
 	if ($handle) {
 		fwrite($handle, strlen($username).$username.strlen($cardid).$cardid.strlen($time).$time);
 		fclose ($handle);
@@ -152,7 +152,7 @@ function disable_download($uuid){
 */
 function is_card_enabled($uuid, $delivery_time){
 	$now = time();	
-	$filename = "/tmp/$uuid";
+	$filename = SimpleSAML_Utilities::getTempDir() . "/$uuid";
 	
 	//File check
 	if (!file_exists($filename)) return false; //File doesn't exist
diff --git a/modules/InfoCard/www/prueba.php b/modules/InfoCard/www/prueba.php
index 8376b34d0bc47f140f00ab1a78152485b06e781b..34b8d27d416b554d0420002289254aa056120024 100755
--- a/modules/InfoCard/www/prueba.php
+++ b/modules/InfoCard/www/prueba.php
@@ -33,7 +33,7 @@ if ($result[0]){
 pg_close($dbconn);
 
 
-// $handle = fopen('/tmp/prueba2.txt','w');
+// $handle = fopen(SimpleSAML_Utilities::getTempDir() . '/prueba2.txt','w');
 // fwrite($handle, 'prueba');
 // fclose ($handle);