diff --git a/src/sna/sna_video.c b/src/sna/sna_video.c
index 9f41edd9..cd9e3ee3 100644
--- a/src/sna/sna_video.c
+++ b/src/sna/sna_video.c
@@ -269,6 +269,8 @@ sna_video_frame_init(struct sna_video *video,
 			break;
 		}
 		frame->pitch[1] = 0;
+		frame->UBufOffset = 0;
+		frame->VBufOffset = 0;
 	}
 
 	assert(frame->size);