diff --git a/src/single_window/render.cpp b/src/single_window/render.cpp
index 7c82fa2..28a84be 100644
--- a/src/single_window/render.cpp
+++ b/src/single_window/render.cpp
@@ -204,8 +204,7 @@ int Render::StartScreenCapturer() {
           frame.size = size;
           frame.width = width;
           frame.height = height;
-          frame.timestamp = CurrentNtpTimeMs(peer_);
-
+          frame.captured_timestamp = GetSystemTimeMicros(peer_);
           SendVideoFrame(peer_, &frame);
           last_frame_time_ = now_time;
         }
diff --git a/thirdparty/projectx b/thirdparty/projectx
index de0386f..b50175f 160000
--- a/thirdparty/projectx
+++ b/thirdparty/projectx
@@ -1 +1 @@
-Subproject commit de0386f08aa886a3806edd7d881c2c451b7c034a
+Subproject commit b50175f943767ec54f6b6a3a49c36177e1cab861