diff --git a/htdocs/core/class/extrafields.class.php b/htdocs/core/class/extrafields.class.php
index 6a397c1245f..399d148220c 100644
--- a/htdocs/core/class/extrafields.class.php
+++ b/htdocs/core/class/extrafields.class.php
@@ -1552,7 +1552,7 @@ class ExtraFields
 				{
 					$value_arr=GETPOST($keysuffix."options_".$key.$keyprefix);
 					// Make sure we get an array even if there's only one checkbox
-					$value_arr=(array)$value_arr
+					$value_arr=(array) $value_arr;
 					$value_key=implode(',', $value_arr);
 				}
 				else if (in_array($key_type,array('price','double')))