X-Git-Url: https://git.sesse.net/?p=remoteglot;a=blobdiff_plain;f=www%2Fjs%2Fremoteglot.js;h=8bb49d27a539f4c14ae5d567b0e54b0c079c092f;hp=d259e272f9d9229a95e11a8bc2ac53a12835846e;hb=d757645e7300de9d75fd5d428aedacfeb426dc73;hpb=7d32d14ab6626993cc72c1d3cebc40f13e95dbed

diff --git a/www/js/remoteglot.js b/www/js/remoteglot.js
index d259e27..8bb49d2 100644
--- a/www/js/remoteglot.js
+++ b/www/js/remoteglot.js
@@ -33,8 +33,12 @@ var request_update = function(board) {
 
 var clear_arrows = function() {
 	for (var i = 0; i < arrows.length; ++i) {
-		jsPlumb.detach(arrows[i].connection1);
-		jsPlumb.detach(arrows[i].connection2);
+		if (arrows[i].connection1) {
+			jsPlumb.detach(arrows[i].connection1);
+		}
+		if (arrows[i].connection2) {
+			jsPlumb.detach(arrows[i].connection2);
+		}
 	}
 	arrows = [];