diff --git a/htdocs/core/js/lib_head.js.php b/htdocs/core/js/lib_head.js.php
index 391a5359846..ee95a13208f 100644
--- a/htdocs/core/js/lib_head.js.php
+++ b/htdocs/core/js/lib_head.js.php
@@ -574,11 +574,12 @@ function setConstant(url, code, input, entity, strict, forcereload, userid, toke
 				$.each(data, function(key, value) {
 					$("#set_" + key).hide();
 					$("#del_" + key).show();
-					$.get( url, {
+					$.post( url, {
 						action: "set",
 						name: key,
 						value: value,
-						entity: entity
+						entity: entity,
+						token: token
 					});
 				});
 			}
@@ -644,10 +645,11 @@ function delConstant(url, code, input, entity, strict, forcereload, userid, toke
 				$.each(data, function(key, value) {
 					$("#del_" + value).hide();
 					$("#set_" + value).show();
-					$.get( url, {
+					$.post( url, {
 						action: "del",
 						name: value,
-						entity: entity
+						entity: entity,
+						token: token
 					});
 				});
 			}