diff --git a/content/statistik/projektarbeitexport.xls.php b/content/statistik/projektarbeitexport.xls.php
index 213cb4b94..3b8e6b31e 100644
--- a/content/statistik/projektarbeitexport.xls.php
+++ b/content/statistik/projektarbeitexport.xls.php
@@ -103,7 +103,7 @@ if ($semester != '')
 $zeile=1;
 if ($result = $db->db_query($qry))
 {
-	while ($row = $db->db_fetch_array($result))
+	while ($row = $db->db_fetch_array($result, null, PGSQL_BOTH))
 	{
 		$zeile++;
 		$i = 0;
@@ -150,7 +150,7 @@ if ($result = $db->db_query($qry))
 				}
 
 				$zeile++;
-				while ($row_betreuer = $db->db_fetch_array($result_betreuer))
+				while ($row_betreuer = $db->db_fetch_array($result_betreuer, null, PGSQL_BOTH))
 				{
 					$i = 1;
 
diff --git a/include/pgsql.class.php b/include/pgsql.class.php
index 7e0333b9f..2daf2283a 100644
--- a/include/pgsql.class.php
+++ b/include/pgsql.class.php
@@ -172,12 +172,12 @@ class basis_db extends db
 			return pg_result_seek($result, $offset);
 	}
 
-	public function db_fetch_array($result=null)
+	public function db_fetch_array($result=null, $row=null, $result_type=PGSQL_NUM)
 	{
 		if(is_null($result))
-			return pg_fetch_array($this->db_result);
+			return pg_fetch_array($this->db_result, $row, $result_type);
 		else
-			return pg_fetch_array($result);
+			return pg_fetch_array($result, $row, $result_type);
 	}
 
 	public function db_num_fields($result=null)