diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 7e8fc13..8a24c38 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -12,9 +12,9 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        platform:
-          - linux/amd64
-          - linux/arm64
+        arch:
+          - amd64
+          - arm64
         version:
           - buster
           - bullseye
@@ -41,6 +41,6 @@ jobs:
         with:
           push: true
           tags: eumau/debian:${{ matrix.version }}${{ matrix.variant }}
-          platforms: ${{ matrix.platform }}
+          platforms: linux/${{ matrix.arch }}
           build-args: |
-            TARGET_PLATFORM=${{ matrix.platform }}
+            TARGET_ARCH=${{ matrix.arch }}
diff --git a/Dockerfile b/Dockerfile
index 88ff342..5b7beef 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,8 @@
 ARG DEBIAN_VERSION=bullseye-slim
-ARG TARGET_PLATFORM=linux/amd64
+ARG TARGET_ARCH=amd64
 FROM debian:${DEBIAN_VERSION}
 ARG CONFD_VERSION=0.16.0
-ADD https://github.com/kelseyhightower/confd/releases/download/v${CONFD_VERSION}/confd-${CONFD_VERSION}-${TARGET_PLATFORM//\//-} /usr/local/bin/confd
+ADD https://github.com/kelseyhightower/confd/releases/download/v${CONFD_VERSION}/confd-${CONFD_VERSION}-linux-${TARGET_ARCH} /usr/local/bin/confd
 RUN mkdir -p /start.d \
   && printf '#!/bin/bash\nset -e\n/usr/local/bin/confd -onetime -backend env\nrun-parts -v /start.d\nexec ${@}\n' > /entrypoint.sh \
   && mkdir -p /etc/confd/conf.d /etc/confd/templates \