diff --git a/dlls/mfplat/main.c b/dlls/mfplat/main.c
index 1009f4083bb..460f21e3b68 100644
--- a/dlls/mfplat/main.c
+++ b/dlls/mfplat/main.c
@@ -657,6 +657,7 @@ const char *debugstr_attr(const GUID *guid)
         X(MF_TOPOLOGY_ENUMERATE_SOURCE_TYPES),
         X(MF_MT_VIDEO_NO_FRAME_ORDERING),
         X(MFSampleExtension_3DVideo_SampleFormat),
+        X(MF_SAMPLEGRABBERSINK_SAMPLE_TIME_OFFSET),
         X(MF_MT_SAMPLE_SIZE),
         X(MF_MT_AAC_PAYLOAD_TIME),
         X(MF_TOPOLOGY_PLAYBACK_FRAMERATE),
@@ -701,8 +702,8 @@ const char *debugstr_attr(const GUID *guid)
         X(MF_TOPONODE_DISABLE_PREROLL),
         X(MF_MT_VIDEO_3D_FORMAT),
         X(MF_EVENT_STREAM_METADATA_KEYDATA),
-        X(MF_SOURCE_READER_D3D_MANAGER),
         X(MF_SINK_WRITER_D3D_MANAGER),
+        X(MF_SOURCE_READER_D3D_MANAGER),
         X(MFSampleExtension_3DVideo),
         X(MF_EVENT_SOURCE_FAKE_START),
         X(MF_EVENT_SOURCE_PROJECTSTART),
@@ -717,6 +718,7 @@ const char *debugstr_attr(const GUID *guid)
         X(MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE_VIDCAP_HW_SOURCE),
         X(MF_MT_AUDIO_PREFER_WAVEFORMATEX),
         X(MF_TOPONODE_WORKQUEUE_ITEM_PRIORITY),
+        X(MF_SAMPLEGRABBERSINK_IGNORE_CLOCK),
         X(MFSampleExtension_ForwardedDecodeUnitType),
         X(MF_MT_AUDIO_AVG_BYTES_PER_SECOND),
         X(MF_SOURCE_READER_MEDIASOURCE_CHARACTERISTICS),