diff --git a/modules/desktop_capture/desktop_capture_types.h b/modules/desktop_capture/desktop_capture_types.h
index f2aad8fd6f..fd5f881122 100644
--- a/modules/desktop_capture/desktop_capture_types.h
+++ b/modules/desktop_capture/desktop_capture_types.h
@@ -60,6 +60,8 @@ constexpr uint32_t kScreenCapturerWinMagnifier = 2;
 constexpr uint32_t kWindowCapturerWinGdi = 3;
 constexpr uint32_t kScreenCapturerWinGdi = CreateFourCC('G', 'D', 'I', ' ');
 constexpr uint32_t kScreenCapturerWinDirectx = CreateFourCC('D', 'X', 'G', 'I');
+constexpr uint32_t kX11CapturerLinux = CreateFourCC('X', '1', '1', ' ');
+constexpr uint32_t kWaylandCapturerLinux = CreateFourCC('W', 'L', ' ', ' ');
 }  // namespace DesktopCapturerId
 
 }  // namespace webrtc
diff --git a/modules/desktop_capture/linux/wayland/base_capturer_pipewire.cc b/modules/desktop_capture/linux/wayland/base_capturer_pipewire.cc
index 2f99876ba1..8bf0662166 100644
--- a/modules/desktop_capture/linux/wayland/base_capturer_pipewire.cc
+++ b/modules/desktop_capture/linux/wayland/base_capturer_pipewire.cc
@@ -138,6 +138,7 @@ void BaseCapturerPipeWire::CaptureFrame() {
   // TODO(julien.isorce): http://crbug.com/945468. Set the icc profile on
   // the frame, see ScreenCapturerX11::CaptureFrame.
 
+  frame->set_capturer_id(DesktopCapturerId::kWaylandCapturerLinux);
   callback_->OnCaptureResult(Result::SUCCESS, std::move(frame));
 }
 
diff --git a/modules/desktop_capture/linux/x11/screen_capturer_x11.cc b/modules/desktop_capture/linux/x11/screen_capturer_x11.cc
index 3cc256bdbd..4b7cbf54cb 100644
--- a/modules/desktop_capture/linux/x11/screen_capturer_x11.cc
+++ b/modules/desktop_capture/linux/x11/screen_capturer_x11.cc
@@ -278,6 +278,7 @@ void ScreenCapturerX11::CaptureFrame() {
   last_invalid_region_ = result->updated_region();
   result->set_capture_time_ms((rtc::TimeNanos() - capture_start_time_nanos) /
                               rtc::kNumNanosecsPerMillisec);
+  result->set_capturer_id(DesktopCapturerId::kX11CapturerLinux);
   callback_->OnCaptureResult(Result::SUCCESS, std::move(result));
 }
 
diff --git a/modules/desktop_capture/linux/x11/window_capturer_x11.cc b/modules/desktop_capture/linux/x11/window_capturer_x11.cc
index 5b87e8cbd3..b55f7e8fa9 100644
--- a/modules/desktop_capture/linux/x11/window_capturer_x11.cc
+++ b/modules/desktop_capture/linux/x11/window_capturer_x11.cc
@@ -180,6 +180,7 @@ void WindowCapturerX11::CaptureFrame() {
   frame->mutable_updated_region()->SetRect(
       DesktopRect::MakeSize(frame->size()));
   frame->set_top_left(x_server_pixel_buffer_.window_rect().top_left());
+  frame->set_capturer_id(DesktopCapturerId::kX11CapturerLinux);
 
   callback_->OnCaptureResult(Result::SUCCESS, std::move(frame));
 }