diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index c31f23eeb4e..696ad9b1500 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -245,7 +245,7 @@ class Form
 				$inputType=$tmp[0]; $inputOption=$tmp[1];
 				if (! empty($tmp[2])) $savemethod=$tmp[2];
 				
-				$out.= '<input id="timestamp_'.$htmlname.'" type="hidden"/>'."\n"; // Use for timestamp format
+				$out.= '<input id="timestamp" type="hidden"/>'."\n"; // Use for timestamp format
 			}
 			else if (preg_match('/^select/',$inputType))
 			{
diff --git a/htdocs/core/js/datepicker.js.php b/htdocs/core/js/datepicker.js.php
index 19cfbeecd55..45d360b888c 100644
--- a/htdocs/core/js/datepicker.js.php
+++ b/htdocs/core/js/datepicker.js.php
@@ -120,7 +120,7 @@ $(document).ready(function() {
 		autoSize: true,
 		changeMonth: true,
 		changeYear: true,
-		altField: '#timeStamp',
+		altField: '#timestamp',
 		altFormat: '@'			// Gives a timestamp dateformat
 	});
 });
diff --git a/htdocs/core/js/editinplace.js b/htdocs/core/js/editinplace.js
index 8e72bc2369b..557ae18b47a 100644
--- a/htdocs/core/js/editinplace.js
+++ b/htdocs/core/js/editinplace.js
@@ -248,10 +248,10 @@ $(document).ready(function() {
 		var fk_element = $( '#fk_element_' + htmlname ).val();
 		var loadmethod = $( '#loadmethod_' + htmlname ).val();
 		var savemethod = $( '#savemethod_' + htmlname ).val();
-		var timestamp = $('#timestamp_' + htmlname ).val();
 		var ext_element = $( '#ext_element_' + htmlname ).val();
 		//var ext_table_element = $( '#ext_table_element_' + htmlname ).val();
 		//var ext_fk_element = $( '#ext_fk_element_' + htmlname ).val();
+		var timestamp = $('#timestamp').val();
 		
 		return {
 			type: type,