1 files changed, 3 insertions, 1 deletions
diff --git a/toolkit/components/webextensions/ExtensionContent.jsm b/toolkit/components/webextensions/ExtensionContent.jsm
index 9b9a02091..5f9b88f35 100644
--- a/toolkit/components/webextensions/ExtensionContent.jsm
+++ b/toolkit/components/webextensions/ExtensionContent.jsm
@@ -344,6 +344,7 @@ class ContentScriptContextChild extends BaseContext {
       // because it enables us to create the APIs object in this sandbox object and then copying it
       // into the iframe's window, see Bug 1214658 for rationale)
       this.sandbox = Cu.Sandbox(contentWindow, {
+        sandboxName: `Web-Accessible Extension Page ${this.extension.id}`,
         sandboxPrototype: contentWindow,
         sameZoneAs: contentWindow,
         wantXrays: false,
@@ -360,6 +361,7 @@ class ContentScriptContextChild extends BaseContext {
 
       this.sandbox = Cu.Sandbox(principal, {
         metadata,
+        sandboxName: `Content Script ${this.extension.id}`,
         sandboxPrototype: contentWindow,
         sameZoneAs: contentWindow,
         wantXrays: true,
@@ -456,7 +458,7 @@ class ContentScriptContextChild extends BaseContext {
 
 defineLazyGetter(ContentScriptContextChild.prototype, "messenger", function() {
   // The |sender| parameter is passed directly to the extension.
-  let sender = {id: this.extension.uuid, frameId: this.frameId, url: this.url};
+  let sender = {id: this.extension.id, frameId: this.frameId, url: this.url};
   let filter = {extensionId: this.extension.id};
   let optionalFilter = {frameId: this.frameId};