diff --git a/importexport/inc/class.importexport_wizard_basic_export_csv.inc.php b/importexport/inc/class.importexport_wizard_basic_export_csv.inc.php
index 39442db9b7..069dfa0b53 100644
--- a/importexport/inc/class.importexport_wizard_basic_export_csv.inc.php
+++ b/importexport/inc/class.importexport_wizard_basic_export_csv.inc.php
@@ -220,7 +220,11 @@ class importexport_wizard_basic_export_csv
 
                         // Add in extra allowed charsets
                         $config = Api\Config::read('importexport');
-                        $extra_charsets = array_intersect(explode(',',$config['import_charsets']), mb_list_encodings());
+						if (!is_array($config['import_charsets']))
+						{
+							$config['import_charsets'] = explode(',',$config['import_charsets']);
+						}
+                        $extra_charsets = array_intersect($config['import_charsets'], mb_list_encodings());
                         if($extra_charsets)
                         {
                                 $sel_options['charset'] += array(lang('Extra encodings') => array_combine($extra_charsets,$extra_charsets));
@@ -315,4 +319,4 @@ class importexport_wizard_basic_export_csv
 	{
 		return $this->export_fields;
 	}
-}
+}
\ No newline at end of file