diff --git a/images/chromium-headful/run-docker.sh b/images/chromium-headful/run-docker.sh
index 04781cd2..08029aa0 100755
--- a/images/chromium-headful/run-docker.sh
+++ b/images/chromium-headful/run-docker.sh
@@ -14,7 +14,7 @@ mkdir -p "$HOST_RECORDINGS_DIR"
 RUN_AS_ROOT="${RUN_AS_ROOT:-false}"
 
 # Build Chromium flags file and mount
-CHROMIUM_FLAGS_DEFAULT="--user-data-dir=/home/kernel/user-data --disable-dev-shm-usage --disable-gpu --start-maximized --disable-software-rasterizer --remote-allow-origins=*"
+CHROMIUM_FLAGS_DEFAULT="--user-data-dir=/home/kernel/user-data --disable-dev-shm-usage --disable-gpu --kiosk --disable-software-rasterizer --remote-allow-origins=*"
 if [[ "$RUN_AS_ROOT" == "true" ]]; then
   CHROMIUM_FLAGS_DEFAULT="$CHROMIUM_FLAGS_DEFAULT --no-sandbox --no-zygote"
 fi