diff --git a/scripts/video_test_src.sh b/scripts/video_test_src.sh
index 23225678..88688ce9 100755
--- a/scripts/video_test_src.sh
+++ b/scripts/video_test_src.sh
@@ -1,3 +1,3 @@
 #!/bin/sh
 
-gst-launch-1.0 videotestsrc ! videoconvert ! video/x-raw,format=NV12,framerate=60/1,width=1280,height=720 !  vaapih264enc bitrate=4000 keyframe-period=3 rate-control=cbr max-bframes=0  ! rtph264pay config-interval=-1 ! udpsink host=localhost port=5602
+gst-launch-1.0 videotestsrc ! videoconvert ! video/x-raw,format=NV12,framerate=60/1,width=1280,height=720,format=I420 !  vaapih264enc bitrate=4000 keyframe-period=3 rate-control=cbr max-bframes=0  ! rtph264pay config-interval=-1 ! udpsink host=localhost port=5602