diff --git a/android.sh b/android.sh
index dff1169..167112c 100755
--- a/android.sh
+++ b/android.sh
@@ -5,5 +5,5 @@ scrcpy \
   --no-playback \
   --lock-video-orientation=270 \
   --video-source=camera \
-  --camera-id=2 --camera-size=1920x1080 --camera-fps=30 \
+  --camera-id=$1 --camera-size=1920x1080 --camera-fps=30 \
   --v4l2-sink=/dev/video7