diff --git a/src/single_window/render.cpp b/src/single_window/render.cpp
index a3bc644..957053b 100644
--- a/src/single_window/render.cpp
+++ b/src/single_window/render.cpp
@@ -204,6 +204,7 @@ int Render::StartScreenCapturer() {
           frame.size = size;
           frame.width = width;
           frame.height = height;
+          frame.timestamp = CurrentNtpTimeMs(peer_);
 
           SendVideoFrame(peer_, &frame);
           last_frame_time_ = now_time;
diff --git a/thirdparty/projectx b/thirdparty/projectx
index 316a022..3bb12e3 160000
--- a/thirdparty/projectx
+++ b/thirdparty/projectx
@@ -1 +1 @@
-Subproject commit 316a0220a88b8bf204f29437896164adbef52021
+Subproject commit 3bb12e3f604e9c2c11c293b1968b4f6312be4b48