diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 18a4e82..51dc083 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,6 +7,9 @@ jobs:
     runs-on: ubuntu-18.04
     steps:
       - uses: actions/checkout@v2
+      - name: Get short SHA
+        id: slug
+        run: echo "::set-output name=sha7::$(git rev-parse --short HEAD)"
       - name: Update and install packages
         run: |
           sudo apt-get -qq update
@@ -18,14 +21,15 @@ jobs:
       - name: Upload zip
         uses: actions/upload-artifact@v2
         with:
-          name: m64p-linux64-${{ env.SHA7 }}.zip
+          name: m64p-linux64-${{ steps.slug.outputs.sha7 }}.zip
           path: m64p-*.zip
-        env:
-          SHA7: ${GITHUB_SHA::7}
   build-windows:
     runs-on: windows-latest
     steps:
       - uses: actions/checkout@v2
+      - name: Get short SHA
+        id: slug
+        run: echo "::set-output name=sha7::$(git rev-parse --short HEAD)"
       - uses: msys2/setup-msys2@v2
         with:
           update: true
@@ -53,14 +57,15 @@ jobs:
       - name: Upload zip
         uses: actions/upload-artifact@v2
         with:
-          name: m64p-win64-${{ env.SHA7 }}.zip
+          name: m64p-win64-${{ steps.slug.outputs.sha7 }}.zip
           path: m64p-*.zip
-        env:
-          SHA7: ${GITHUB_SHA::7}
   build-mac:
     runs-on: macos-10.15
     steps:
       - uses: actions/checkout@v2
+      - name: Get short SHA
+        id: slug
+        run: echo "::set-output name=sha7::$(git rev-parse --short HEAD)"
       - name: brew update
         run: |
           brew update
@@ -77,7 +82,5 @@ jobs:
       - name: Upload dmg
         uses: actions/upload-artifact@v2
         with:
-          name: m64p-osx-${{ env.SHA7 }}.dmg
+          name: m64p-osx-${{ steps.slug.outputs.sha7 }}.dmg
           path: mupen64plus/m64p-*.dmg
-        env:
-          SHA7: ${GITHUB_SHA::7}