diff --git a/admin/import.php b/admin/import.php
index 953d6a2a..fbc2bb16 100644
--- a/admin/import.php
+++ b/admin/import.php
@@ -89,7 +89,7 @@ else if (isset($_POST['import_file']))
 	<form action="" method="post">
 	<?
 
-	$tmpfname = tempnam("/tmp", "FOO");
+	$tmpfname = tempnam(TEMPORARY_DIRECTORY, "FOO");
 	move_uploaded_file($_FILES['file']['tmp_name'],$tmpfname);
 
 	display_table(get_first_row($tmpfname));
diff --git a/config.default.php b/config.default.php
index ea322909..762e5fb7 100644
--- a/config.default.php
+++ b/config.default.php
@@ -247,12 +247,16 @@ if (!defined('ALLOW_PAGE_REFRESH')) define ('ALLOW_PAGE_REFRESH',true);
  */
 if (!defined('ALLOW_RESPONDENT_SELECTOR')) define ('ALLOW_RESPONDENT_SELECTOR',true);
 
-
 /**
  * Number of log records to display
  */
 if (!defined('PROCESS_LOG_LIMIT')) define('PROCESS_LOG_LIMIT', 500);
 
+/**
+ * Temporary upload directory
+ */ 
+if (!defined('TEMPORARY_DIRECTORY')) define('TEMPORARY_DIRECTORY', "/tmp");
+
 /**
  * Database configuration for queXS
  */