--- a/dom/media/MediaManager.cpp
+++ b/dom/media/MediaManager.cpp
@@ -2225,16 +2225,18 @@ MediaManager::GetUserMedia(nsPIDOMWindow
           if (cs.mBrowserWindow.WasPassed()) {
             cs.mBrowserWindow.Value() = -1;
           }
         }
       }
     }
   } else if (IsOn(c.mVideo)) {
     videoType = MediaSourceEnum::Camera;
+    Telemetry::Accumulate(Telemetry::WEBRTC_GET_USER_MEDIA_TYPE,
+                          (uint32_t) videoType);
   }
 
   if (c.mAudio.IsMediaTrackConstraints()) {
     auto& ac = c.mAudio.GetAsMediaTrackConstraints();
     MediaConstraintsHelper::ConvertOldWithWarning(ac.mMozAutoGainControl,
                                                   ac.mAutoGainControl,
                                                   "MozAutoGainControlWarning",
                                                   aWindow);
@@ -2287,17 +2289,19 @@ MediaManager::GetUserMedia(nsPIDOMWindow
                                       MediaSourceEnum::Camera);
       for (MediaTrackConstraintSet& cs : ac.mAdvanced.Value()) {
         if (cs.mMediaSource.EqualsASCII(unset)) {
           cs.mMediaSource = ac.mMediaSource;
         }
       }
     }
   } else if (IsOn(c.mAudio)) {
-   audioType = MediaSourceEnum::Microphone;
+    audioType = MediaSourceEnum::Microphone;
+    Telemetry::Accumulate(Telemetry::WEBRTC_GET_USER_MEDIA_TYPE,
+                          (uint32_t) audioType);
   }
 
   // Create a window listener if it doesn't already exist.
   RefPtr<GetUserMediaWindowListener> windowListener =
     GetWindowListener(windowID);
   if (windowListener) {
     PrincipalHandle existingPrincipalHandle = windowListener->GetPrincipalHandle();
     MOZ_ASSERT(PrincipalHandleMatches(existingPrincipalHandle, principal));