diff --git a/importexport/inc/class.importexport_wizard_basic_import_csv.inc.php b/importexport/inc/class.importexport_wizard_basic_import_csv.inc.php
index 51231b59ef..0438b0ffa1 100644
--- a/importexport/inc/class.importexport_wizard_basic_import_csv.inc.php
+++ b/importexport/inc/class.importexport_wizard_basic_import_csv.inc.php
@@ -241,7 +241,8 @@ class importexport_wizard_basic_import_csv
 
 			// Add in extra allowed charsets
 			$config = Api\Config::read('importexport');
-			$extra_charsets = array_intersect(explode(',',$config['import_charsets']), mb_list_encodings());
+			$extra_charsets = is_array($config['import_charsets']) ? $config['import_charsets'] : explode(',',$config['import_charsets']);
+			$extra_charsets = array_intersect($extra_charsets, mb_list_encodings());
 			if($extra_charsets)
 			{
 				$sel_options['charset'] += array(lang('Extra encodings') => array_combine($extra_charsets,$extra_charsets));