diff --git a/htdocs/core/class/extrafields.class.php b/htdocs/core/class/extrafields.class.php
index abc2cd2bd49..fc28abe6aa6 100644
--- a/htdocs/core/class/extrafields.class.php
+++ b/htdocs/core/class/extrafields.class.php
@@ -2220,11 +2220,18 @@ class ExtraFields
 						continue; // Value was not provided, we should not set it.
 					}
 					$value_arr = GETPOST($keysuffix."options_".$key.$keyprefix);
-					if ($keysuffix != 'search_') {	// If value is for a search, we must keep complex string like '>100 <=150'
+					if ($keysuffix != 'search_') {    // If value is for a search, we must keep complex string like '>100 <=150'
 						$value_key = price2num($value_arr);
 					} else {
 						$value_key = $value_arr;
 					}
+				} elseif (in_array($key_type, array('boolean'))) {
+					if (!GETPOSTISSET($keysuffix."options_".$key.$keyprefix)) {
+						$value_key = '';
+					} else {
+						$value_arr = GETPOST($keysuffix."options_".$key.$keyprefix);
+						$value_key = $value_arr;
+					}
 				} else {
 					if (!GETPOSTISSET($keysuffix."options_".$key.$keyprefix)) {
 						continue; // Value was not provided, we should not set it.