diff --git a/bpm2d.js b/bpm2d.js
index 577f1cc861af7c63fa57ea3af4fcc9a6787081ad..a0505a958cd6caf6ca744a9eb4a62d9004460327 100644
--- a/bpm2d.js
+++ b/bpm2d.js
@@ -159,6 +159,7 @@
 		if (params.bpm=='') {
 			$('#bpmscaleh').hide();
 			$('#bpmscalev').hide();
+			$('#trajectoryWidth').hide();
 			$('#ruler').hide();
 			for (let facility in bpmData) {
 				if (typeof $('#'+facility+"_bpmhor").attr('visibility') != 'undefined') {
@@ -172,6 +173,7 @@
 		else {
 			$('#bpmscaleh').show();
 			$('#bpmscalev').show();
+			$('#trajectoryWidth').show();
 			$('#ruler').show();
 			const bpms = [];
 			for (let i in bpmData) if (i!="reader") bpms.push(i);