diff --git a/components/script/dom/htmliframeelement.rs b/components/script/dom/htmliframeelement.rs
index d3359a40c892..3c5377b8c984 100644
--- a/components/script/dom/htmliframeelement.rs
+++ b/components/script/dom/htmliframeelement.rs
@@ -379,9 +379,9 @@ impl MozBrowserEventDetailBuilder for HTMLIFrameElement {
             MozBrowserEvent::TitleChange(ref string) => {
                 string.to_jsval(cx, rval);
             }
-            MozBrowserEvent::LocationChange(uri, can_go_back, can_go_forward) => {
+            MozBrowserEvent::LocationChange(url, can_go_back, can_go_forward) => {
                 BrowserElementLocationChangeEventDetail {
-                    uri: Some(DOMString::from(uri)),
+                    url: Some(DOMString::from(url)),
                     canGoBack: Some(can_go_back),
                     canGoForward: Some(can_go_forward),
                 }.to_jsval(cx, rval);
diff --git a/components/script/dom/webidls/BrowserElement.webidl b/components/script/dom/webidls/BrowserElement.webidl
index f183b5cf8139..6105811666bd 100644
--- a/components/script/dom/webidls/BrowserElement.webidl
+++ b/components/script/dom/webidls/BrowserElement.webidl
@@ -64,7 +64,7 @@ dictionary BrowserElementErrorEventDetail {
 };
 
 dictionary BrowserElementLocationChangeEventDetail {
-  DOMString uri;
+  DOMString url;
   boolean canGoBack;
   boolean canGoForward;
 };
diff --git a/tests/wpt/mozilla/tests/mozilla/mozbrowser/iframe_goback.html b/tests/wpt/mozilla/tests/mozilla/mozbrowser/iframe_goback.html
index e8c7299e55a2..748f434d7c3c 100644
--- a/tests/wpt/mozilla/tests/mozilla/mozbrowser/iframe_goback.html
+++ b/tests/wpt/mozilla/tests/mozilla/mozbrowser/iframe_goback.html
@@ -19,8 +19,8 @@
   iframe.src = url1;
 
   iframe.addEventListener("mozbrowserlocationchange", e => {
-    locations.push(e.detail.uri);
-    if (e.detail.uri == url2) {
+    locations.push(e.detail.url);
+    if (e.detail.url == url2) {
       iframe.goBack();
     }
     if (locations.length == expected_locations.length) {
diff --git a/tests/wpt/mozilla/tests/mozilla/mozbrowser/mozbrowserlocationchange_event.html b/tests/wpt/mozilla/tests/mozilla/mozbrowser/mozbrowserlocationchange_event.html
index dcf2f5dbc9ff..c2ba1d3e4e80 100644
--- a/tests/wpt/mozilla/tests/mozilla/mozbrowser/mozbrowserlocationchange_event.html
+++ b/tests/wpt/mozilla/tests/mozilla/mozbrowser/mozbrowserlocationchange_event.html
@@ -39,7 +39,7 @@
   var action_idx = 0;
 
   iframe.addEventListener("mozbrowserlocationchange", e => {
-    received_events.push(e.detail.uri);
+    received_events.push(e.detail.url);
     received_events.push(e.detail.canGoBack);
     received_events.push(e.detail.canGoForward);
 
diff --git a/tests/wpt/mozilla/tests/mozilla/mozbrowser/redirect.html b/tests/wpt/mozilla/tests/mozilla/mozbrowser/redirect.html
index b90871b81971..b7587395f949 100644
--- a/tests/wpt/mozilla/tests/mozilla/mozbrowser/redirect.html
+++ b/tests/wpt/mozilla/tests/mozilla/mozbrowser/redirect.html
@@ -10,7 +10,7 @@
         iframe.mozbrowser = "true";
         iframe.src = "redirect_init.html?pipe=status(302)|header(Location,redirect_final.html)";
         iframe.addEventListener("mozbrowserlocationchange", t.step_func(e => {
-            assert_equals(e.detail.uri, new URL("redirect_final.html", location).href);
+            assert_equals(e.detail.url, new URL("redirect_final.html", location).href);
             t.done();
         }));
         document.body.appendChild(iframe);