diff --git a/.github/workflows/containers.yml b/.github/workflows/containers.yml
index 601ba5a..1cf6813 100644
--- a/.github/workflows/containers.yml
+++ b/.github/workflows/containers.yml
@@ -12,10 +12,10 @@ jobs:
         include:
           - gtk-version: gtk3
             linux-distro: debian
-            arch: 386
+            arch: i386
           - gtk-version: gtk4
             linux-distro: debian
-            arch: 386
+            arch: i386
 
     name: ${{ matrix.linux-distro }} ${{ matrix.arch }} ${{ matrix.gtk-version }}
     runs-on: ubuntu-latest
@@ -35,8 +35,8 @@ jobs:
       - name: Set extra environment variables
         run: |
           case "${ARCHITECTURE}" in
-            386)   echo MACHINE="i386" >> "$GITHUB_ENV";;
-            amd64) echo MACHINE="x86_64" >> "$GITHUB_ENV";;
+            amd64) echo MACHINE="x86_64"          >> "$GITHUB_ENV";;
+            *)     echo MACHINE="${ARCHITECTURE}" >> "$GITHUB_ENV";;
           esac
 
       - name: Build container