diff --git a/importexport/inc/class.importexport_import_csv.inc.php b/importexport/inc/class.importexport_import_csv.inc.php
index 8febfe05be..acd3cd6da8 100755
--- a/importexport/inc/class.importexport_import_csv.inc.php
+++ b/importexport/inc/class.importexport_import_csv.inc.php
@@ -538,10 +538,13 @@ class importexport_import_csv implements importexport_iface_import_record { //,
 				for($sub_index = 0; $sub_index < count($subs); $sub_index++)
 				{
 					$sub_key = static::find_select_key(trim($subs[$sub_index]), $selects);
-					if(!$sub_key)
+					if(!$sub_key && array_key_exists($sub_index + 1, $subs))
 					{
-						$sub_key = static::find_select_key(trim($subs[$sub_index]).','.trim($subs[$sub_index+1]), $selects);
-						if($sub_key) $sub_index++;
+						$sub_key = static::find_select_key(trim($subs[$sub_index]) . ',' . trim($subs[$sub_index + 1]), $selects);
+						if($sub_key)
+						{
+							$sub_index++;
+						}
 					}
 					if($sub_key)
 					{