diff --git a/.github/workflows/r.yml b/.github/workflows/r.yml
index 44857062..72f9c523 100644
--- a/.github/workflows/r.yml
+++ b/.github/workflows/r.yml
@@ -73,13 +73,13 @@ jobs:
           error-on: '"warning"'
 
       - name: Build the package
-        if: ${{ matrix.config.os == 'ubuntu-latest' && (matrix.config.r == 'release' | matrix.config.r == 'devel') }}
+        if: ${{ matrix.config.os == 'ubuntu-latest' && (matrix.config.r == 'release' || matrix.config.r == 'devel') }}
         run: R CMD build .
 
       - uses: actions/upload-artifact@v4
-        if: ${{ matrix.config.os == 'ubuntu-latest' && (matrix.config.r == 'release' | matrix.config.r == 'devel') }}
+        if: ${{ matrix.config.os == 'ubuntu-latest' && (matrix.config.r == 'release' || matrix.config.r == 'devel') }}
         with:
-          name: epiworldR-built-package-${{ runner.os }}
+          name: epiworldR-built-package-${{ matrix.config.os }}-${{ matrix.config.r }}
           path: epiworldR_*.tar.gz
           retention-days: 7