diff --git a/docs/install/podman.md b/docs/install/podman.md
index 012ad787b96..c87386071e3 100644
--- a/docs/install/podman.md
+++ b/docs/install/podman.md
@@ -63,6 +63,7 @@ Optional build/setup env vars:
 - `OPENCLAW_IMAGE` or `OPENCLAW_PODMAN_IMAGE` -- use an existing/pulled image instead of building `openclaw:local`
 - `OPENCLAW_DOCKER_APT_PACKAGES` -- install extra apt packages during image build
 - `OPENCLAW_EXTENSIONS` -- pre-install plugin dependencies at build time
+- `OPENCLAW_INSTALL_BROWSER` -- pre-install Chromium and Xvfb for browser automation (set to `1` to enable)
 
 Container start:
 
diff --git a/scripts/podman/setup.sh b/scripts/podman/setup.sh
index 6f4209d8cc8..4c59831901c 100755
--- a/scripts/podman/setup.sh
+++ b/scripts/podman/setup.sh
@@ -365,6 +365,9 @@ fi
 if [[ -n "${OPENCLAW_EXTENSIONS:-}" ]]; then
   BUILD_ARGS+=(--build-arg "OPENCLAW_EXTENSIONS=${OPENCLAW_EXTENSIONS}")
 fi
+if [[ -n "${OPENCLAW_INSTALL_BROWSER:-}" ]]; then
+  BUILD_ARGS+=(--build-arg "OPENCLAW_INSTALL_BROWSER=${OPENCLAW_INSTALL_BROWSER}")
+fi
 
 if [[ "$OPENCLAW_IMAGE" == "openclaw:local" ]]; then
   echo "Building image $OPENCLAW_IMAGE ..."