diff --git a/ChangeLog b/ChangeLog
index 092c4d9a207..0bb51e86c75 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -10,6 +10,7 @@ make a Dolibarr upgrade.
 
 ***** ChangeLog for 3.7.2 compared to 3.7.1 *****
 FIX [ bug #2855 ] Wrong translation key in localtax report page
+FIX [ bug #1852 ] JS error when editing a customer order line
 
 ***** ChangeLog for 3.7.1 compared to 3.7.* *****
 FIX Bug in the new photo system
diff --git a/htdocs/core/tpl/objectline_edit.tpl.php b/htdocs/core/tpl/objectline_edit.tpl.php
index c43b8be9e20..f7bcf4ed091 100644
--- a/htdocs/core/tpl/objectline_edit.tpl.php
+++ b/htdocs/core/tpl/objectline_edit.tpl.php
@@ -248,10 +248,10 @@ if (! empty($conf->margin->enabled))
 		{
 		?>
 			$('#savelinebutton').click(function (e) {
-				return checkEditLine(e, "marginRate");
+				return checkEditLine(e, "np_marginRate");
 			});
 			$("input[name='np_marginRate']:first").blur(function(e) {
-				return checkEditLine(e, "marginRate");
+				return checkEditLine(e, "np_marginRate");
 			});
 		<?php
 		}
@@ -259,10 +259,10 @@ if (! empty($conf->margin->enabled))
 		{
 		?>
 			$('#savelinebutton').click(function (e) {
-				return checkEditLine(e, "markRate");
+				return checkEditLine(e, "np_markRate");
 			});
 			$("input[name='np_markRate']:first").blur(function(e) {
-				return checkEditLine(e, "markRate");
+				return checkEditLine(e, "np_markRate");
 			});
 		<?php
 		}