--- a/toolkit/content/tests/widgets/test_videocontrols_error.html
+++ b/toolkit/content/tests/widgets/test_videocontrols_error.html
@@ -33,17 +33,17 @@
   }));
 
   testCases.push(() => new Promise(resolve => {
     video.src = "invalid-path.ogg";
     video.addEventListener("error", resolve);
   }));
 
   testCases.push(() => new Promise(resolve => {
-    const errorType = "errorSrcNotSupported";
+    const errorType = "errorNoSource";
 
     ok(!statusOverlay.hidden, `statusOverlay should show when ${errorType}`);
     is(statusOverlay.getAttribute("error"), errorType, `statusOverlay should have correct error state: ${errorType}`);
     is(statusIcon.getAttribute("type"), "error", `should show error icon when ${errorType}`);
 
     resolve();
   }));
 

--- a/toolkit/content/widgets/videocontrols.xml
+++ b/toolkit/content/widgets/videocontrols.xml
@@ -761,17 +761,19 @@
               break;
             case v.error.MEDIA_ERR_NETWORK:
               error = "errorNetwork";
               break;
             case v.error.MEDIA_ERR_DECODE:
               error = "errorDecode";
               break;
             case v.error.MEDIA_ERR_SRC_NOT_SUPPORTED:
-              error = "errorSrcNotSupported";
+              error = v.networkState == v.NETWORK_NO_SOURCE ?
+                "errorNoSource" :
+                "errorSrcNotSupported";
               break;
             default:
               error = "errorGeneric";
               break;
           }
         } else if (v.networkState == v.NETWORK_NO_SOURCE) {
           error = "errorNoSource";
         } else {