diff --git a/.github/workflows/CompatHelper.yml b/.github/workflows/CompatHelper.yml
index a907e72..eccf285 100644
--- a/.github/workflows/CompatHelper.yml
+++ b/.github/workflows/CompatHelper.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Pkg.add("CompatHelper")
-        run: julia -e 'using Pkg; Pkg.add("CompatHelper"); Pkg.registry.add(https://github.com/gaetanfacchinetti/CosmoRegistry);'
+        run: julia -e 'using Pkg; Pkg.add("CompatHelper"); Pkg.registry.add(https://github.com/gaetanfacchinetti/CosmoRegistry.git);'
       - name: CompatHelper.main()
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}