diff --git a/scripts/test-install-sh-docker.sh b/scripts/test-install-sh-docker.sh
index 31bb9d286c..689647d739 100755
--- a/scripts/test-install-sh-docker.sh
+++ b/scripts/test-install-sh-docker.sh
@@ -20,6 +20,7 @@ echo "==> Run installer smoke test (root): $INSTALL_URL"
 docker run --rm -t \
   -v "${LATEST_DIR}:/out" \
   -e OPENCLAW_INSTALL_URL="$INSTALL_URL" \
+  -e OPENCLAW_INSTALL_METHOD=npm \
   -e OPENCLAW_INSTALL_LATEST_OUT="/out/latest" \
   -e OPENCLAW_INSTALL_SMOKE_PREVIOUS="${OPENCLAW_INSTALL_SMOKE_PREVIOUS:-${CLAWDBOT_INSTALL_SMOKE_PREVIOUS:-}}" \
   -e OPENCLAW_INSTALL_SMOKE_SKIP_PREVIOUS="${OPENCLAW_INSTALL_SMOKE_SKIP_PREVIOUS:-${CLAWDBOT_INSTALL_SMOKE_SKIP_PREVIOUS:-0}}" \
@@ -44,6 +45,7 @@ else
   echo "==> Run installer non-root test: $INSTALL_URL"
   docker run --rm -t \
     -e OPENCLAW_INSTALL_URL="$INSTALL_URL" \
+    -e OPENCLAW_INSTALL_METHOD=npm \
     -e OPENCLAW_INSTALL_EXPECT_VERSION="$LATEST_VERSION" \
     -e OPENCLAW_NO_ONBOARD=1 \
     -e DEBIAN_FRONTEND=noninteractive \