check if result exists before comparison

10 years ago · 893671fa2b
parent f5ed23c2b7
commit 893671fa2b
1 changed files with 1 additions and 1 deletions
--- a/js/serial.js
+++ b/js/serial.js
@ -30,7 +30,7 @@ var serial = {
                    switch (info.error) {
                        case 'system_error': // we might be able to recover from this one
                            var crunch_status = function (info) {
-                                if (!info.paused) {
+                                if (info && !info.paused) {
                                    console.log('SERIAL: Connection recovered from last onReceiveError');
                                    googleAnalytics.sendException('Serial: onReceiveError - recovered', false);
                                } else {