diff --git a/.github/workflows/go_test.yml b/.github/workflows/go_test.yml
index 8918c53b..4ed35d3d 100644
--- a/.github/workflows/go_test.yml
+++ b/.github/workflows/go_test.yml
@@ -18,6 +18,7 @@ jobs:
     runs-on: ${{matrix.platform}}
     env:
       LLVL: trace
+      coverage: ${{ matrix.platform == 'ubuntu-latest' && github.repository == 'dedis/dela' }}
     steps:
     - name: Check out code into the Go module directory
       uses: actions/checkout@v4
@@ -30,17 +31,17 @@ jobs:
     - name: Test without coverage
       env:
         CRY_LVL: "warn"
-      if: matrix.platform == 'macos-latest' || matrix.platform == 'windows-latest'
+      if: ${{ env.coverage == 'false' }}
       run: make test
 
     - name: Test with coverage
       env:
         CRY_LVL: "warn"
-      if: matrix.platform == 'ubuntu-latest'
+      if: ${{ env.coverage == 'true' }}
       run: make coverage
 
     - name: Sonarcloud scan
-      if: matrix.platform == 'ubuntu-latest'
+      if: ${{ env.coverage == 'true' }}
       uses: sonarsource/sonarcloud-github-action@master
       with:
         args: >
@@ -53,7 +54,7 @@ jobs:
         SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
 
     - name: Send coverage
-      if: matrix.platform == 'ubuntu-latest'
+      if: ${{ env.coverage == 'true' }}
       uses: shogo82148/actions-goveralls@v1
       with:
         path-to-profile: profile.cov