diff --git a/Dockerfile.builder b/Dockerfile.buildroot
similarity index 99%
rename from Dockerfile.builder
rename to Dockerfile.buildroot
index 423dda8d..f482df61 100644
--- a/Dockerfile.builder
+++ b/Dockerfile.buildroot
@@ -23,5 +23,3 @@ RUN dnf install -y \
     nss atk at-spi2-atk cups-libs libdrm libXcomposite libXdamage libXrandr \
     mesa-libgbm pango alsa-lib libxkbcommon \
     && dnf clean all
-
-USER 1001
diff --git a/docs/TESTING.md b/docs/TESTING.md
index 14cf3503..c50c0e09 100644
--- a/docs/TESTING.md
+++ b/docs/TESTING.md
@@ -295,7 +295,7 @@ E2e tests also run in CI via Prow/ci-operator against an ephemeral OCP cluster o
 
 | File | Purpose |
 |------|---------|
-| `Dockerfile.builder` | Builder image (Go 1.26 + Node 22 + Yarn 4 + Helm for the `src` container) |
+| `Dockerfile.buildroot` | Builder image (Go 1.26 + Node 22 + Yarn 4 + Helm for the `src` container) |
 | `hack/test-prow-e2e.sh` | Prow e2e test entrypoint (reads cluster credentials, deploys plugin, runs tests) |
 
 The ci-operator job config lives in the `openshift/release` repo at `ci-operator/config/openshift/faas-console-plugin/`.
diff --git a/hack/builder-run.sh b/hack/builder-run.sh
index 77a7f4f8..03a74717 100755
--- a/hack/builder-run.sh
+++ b/hack/builder-run.sh
@@ -25,7 +25,7 @@ BUILDER_IMAGE="${BUILDER_IMAGE:-localhost/faas-console-plugin-builder:latest}"
 CONTAINER_CMD=podman
 
 log::step "Building builder image"
-if ! $CONTAINER_CMD build -f Dockerfile.builder -t "$BUILDER_IMAGE" . >/dev/null; then
+if ! $CONTAINER_CMD build -f Dockerfile.buildroot -t "$BUILDER_IMAGE" . >/dev/null; then
   log::error "Failed to build builder image"
   exit 1
 fi