diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index ef81548..6dcd903 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -36,9 +36,6 @@ jobs:
           - 4.12.2
           - 4.12.1
           - 4.12.0
-        platform:
-          - linux/amd64
-          - linux/arm64
 
     steps:
       - name: 👨‍💻 git -- checkout
@@ -74,12 +71,11 @@ jobs:
         with:
           context: ./src/dockerfiles/${{ matrix.image }}
           file: ./src/dockerfiles/${{ matrix.image }}/Dockerfile
-          platforms: ${{ matrix.platform }}
           push: ${{ ! github.event_name == 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+          platforms: linux/amd64,linux/arm64
           cache-from: type=gha
           cache-to: type=gha,mode=max`
           build-args: |
-            PLATFORM=${{ matrix.platform }}
             GAP_VERSION=${{ matrix.gap-version }}
diff --git a/src/dockerfiles/ubuntu-2204-lts/Dockerfile b/src/dockerfiles/ubuntu-2204-lts/Dockerfile
index 943fb17..cb9a67f 100644
--- a/src/dockerfiles/ubuntu-2204-lts/Dockerfile
+++ b/src/dockerfiles/ubuntu-2204-lts/Dockerfile
@@ -1,5 +1,3 @@
-ARG PLATFORM="linux/arm64"
-
 ## {{{
 ARG GAP_USER_USERNAME="gap"
 ARG GAP_USER_GROUPNAME="gap"
@@ -27,7 +25,7 @@ ARG PACKAGE_MANAGER_DOWNLOAD_URL="https://github.com/gap-packages/PackageManager
 
 
 
-FROM --platform=${PLATFORM} ubuntu:22.04 AS base
+FROM ubuntu:22.04 AS base
 ARG GAP_USER_GID
 ARG GAP_USER_GROUPNAME
 ARG GAP_USER_UID