diff --git a/js/views/install_view.js b/js/views/install_view.js
index b6151f83fd..36441ba6a2 100644
--- a/js/views/install_view.js
+++ b/js/views/install_view.js
@@ -144,6 +144,7 @@
         return;
       }
 
+      this.clearQR();
       this.$('#qr .container').hide();
       this.qr = new QRCode(this.$('#qr')[0]).makeCode(url);
       this.$('#qr').removeAttr('title');
diff --git a/ts/util/lint/exceptions.json b/ts/util/lint/exceptions.json
index a376b58ee0..96e3530b32 100644
--- a/ts/util/lint/exceptions.json
+++ b/ts/util/lint/exceptions.json
@@ -597,72 +597,72 @@
     "rule": "jQuery-$(",
     "path": "js/views/install_view.js",
     "line": "      this.$('#qr .container').hide();",
-    "lineNumber": 147,
+    "lineNumber": 148,
     "reasonCategory": "usageTrusted",
-    "updated": "2018-09-19T21:59:32.770Z",
+    "updated": "2020-03-24T19:03:04.861Z",
     "reasonDetail": "Protected from arbitrary input"
   },
   {
     "rule": "jQuery-$(",
     "path": "js/views/install_view.js",
     "line": "      this.qr = new QRCode(this.$('#qr')[0]).makeCode(url);",
-    "lineNumber": 148,
+    "lineNumber": 149,
     "reasonCategory": "usageTrusted",
-    "updated": "2018-09-19T21:59:32.770Z",
+    "updated": "2020-03-24T19:03:04.861Z",
     "reasonDetail": "Protected from arbitrary input"
   },
   {
     "rule": "jQuery-$(",
     "path": "js/views/install_view.js",
     "line": "      this.$('#qr').addClass('ready');",
-    "lineNumber": 150,
+    "lineNumber": 151,
     "reasonCategory": "usageTrusted",
-    "updated": "2018-09-19T21:59:32.770Z",
+    "updated": "2020-03-24T19:03:04.861Z",
     "reasonDetail": "Protected from arbitrary input"
   },
   {
     "rule": "jQuery-$(",
     "path": "js/views/install_view.js",
     "line": "      this.$(DEVICE_NAME_SELECTOR).val(deviceName || window.getHostName());",
-    "lineNumber": 155,
+    "lineNumber": 156,
     "reasonCategory": "usageTrusted",
-    "updated": "2018-09-19T21:59:32.770Z",
+    "updated": "2020-03-24T19:03:04.861Z",
     "reasonDetail": "Protected from arbitrary input"
   },
   {
     "rule": "jQuery-$(",
     "path": "js/views/install_view.js",
     "line": "      this.$('#link-phone').submit();",
-    "lineNumber": 160,
+    "lineNumber": 161,
     "reasonCategory": "usageTrusted",
-    "updated": "2018-09-19T21:59:32.770Z",
+    "updated": "2020-03-24T19:03:04.861Z",
     "reasonDetail": "Protected from arbitrary input"
   },
   {
     "rule": "jQuery-$(",
     "path": "js/views/install_view.js",
     "line": "        this.$('#link-phone').submit(e => {",
-    "lineNumber": 170,
+    "lineNumber": 171,
     "reasonCategory": "usageTrusted",
-    "updated": "2018-09-19T21:59:32.770Z",
+    "updated": "2020-03-24T19:03:04.861Z",
     "reasonDetail": "Protected from arbitrary input"
   },
   {
     "rule": "jQuery-$(",
     "path": "js/views/install_view.js",
     "line": "          let name = this.$(DEVICE_NAME_SELECTOR).val();",
-    "lineNumber": 174,
+    "lineNumber": 175,
     "reasonCategory": "usageTrusted",
-    "updated": "2018-09-19T21:59:32.770Z",
+    "updated": "2020-03-24T19:03:04.861Z",
     "reasonDetail": "Protected from arbitrary input"
   },
   {
     "rule": "jQuery-$(",
     "path": "js/views/install_view.js",
     "line": "            this.$(DEVICE_NAME_SELECTOR).focus();",
-    "lineNumber": 177,
+    "lineNumber": 178,
     "reasonCategory": "usageTrusted",
-    "updated": "2018-09-19T21:59:32.770Z",
+    "updated": "2020-03-24T19:03:04.861Z",
     "reasonDetail": "Protected from arbitrary input"
   },
   {