diff --git a/browser/base/content/abouthealthreport/abouthealth.js b/browser/base/content/abouthealthreport/abouthealth.js
index 09ae8f5ad96d..ad0aaa5fb094 100644
--- a/browser/base/content/abouthealthreport/abouthealth.js
+++ b/browser/base/content/abouthealthreport/abouthealth.js
@@ -34,6 +34,10 @@ let healthReportWrapper = {
prefs.observe("uploadEnabled", this.updatePrefState, healthReportWrapper);
},
+ uninit: function () {
+ prefs.ignore("uploadEnabled", this.updatePrefState, healthReportWrapper);
+ },
+
_getReportURI: function () {
let url = Services.urlFormatter.formatURLPref("datareporting.healthreport.about.reportUrl");
return Services.io.newURI(url, null, null);
diff --git a/browser/base/content/abouthealthreport/abouthealth.xhtml b/browser/base/content/abouthealthreport/abouthealth.xhtml
index 7f6f49310a45..a24780e18cb2 100644
--- a/browser/base/content/abouthealthreport/abouthealth.xhtml
+++ b/browser/base/content/abouthealthreport/abouthealth.xhtml
@@ -22,7 +22,8 @@
-
+