diff --git a/java/com/android/incallui/videotech/ims/ImsVideoTech.java b/java/com/android/incallui/videotech/ims/ImsVideoTech.java
index 363a193..01e4bb8 100644
--- a/java/com/android/incallui/videotech/ims/ImsVideoTech.java
+++ b/java/com/android/incallui/videotech/ims/ImsVideoTech.java
@@ -183,6 +183,8 @@
   public void stopTransmission() {
     LogUtil.enterBlock("ImsVideoTech.stopTransmission");
 
+    setCamera(null);
+
     int unpausedVideoState = getUnpausedVideoState(call.getDetails().getVideoState());
     call.getVideoCall()
         .sendSessionModifyRequest(