diff --git a/.github/workflows/CI_BoundaryValueDiffEqMIRKN.yml b/.github/workflows/CI_BoundaryValueDiffEqMIRKN.yml
index f25b6d1e..e6b631ed 100644
--- a/.github/workflows/CI_BoundaryValueDiffEqMIRKN.yml
+++ b/.github/workflows/CI_BoundaryValueDiffEqMIRKN.yml
@@ -107,7 +107,7 @@ jobs:
           directories: lib/BoundaryValueDiffEqMIRKN/src,lib/BoundaryValueDiffEqCore/src
       - uses: codecov/codecov-action@v5
         with:
-          file: lcov.info
+          files: lcov.info
           token: ${{ secrets.CODECOV_TOKEN }}
           verbose: true
           fail_ci_if_error: false