diff --git a/.github/workflows/build_centos7.yml b/.github/workflows/build_centos7.yml
index a411df4d1..ea92e0b07 100644
--- a/.github/workflows/build_centos7.yml
+++ b/.github/workflows/build_centos7.yml
@@ -181,7 +181,7 @@ jobs:
         uses: ./.github/workflows/cucumber-tests
         with:
           feature: "features/outer_loop_tests.feature"
-          mpi_path: ${{ GITHUB_WORKSPACE }}/_build/vcpkg_installed/x64-linux/tools/openmpi/bin
+          mpi_path: ${GITHUB_WORKSPACE}/_build/vcpkg_installed/x64-linux/tools/openmpi/bin
 
       - name: Cache vcpkg binary dir
         if: always()
diff --git a/.github/workflows/build_oracle8.yml b/.github/workflows/build_oracle8.yml
index 7919d9cbe..72c5e8b0b 100644
--- a/.github/workflows/build_oracle8.yml
+++ b/.github/workflows/build_oracle8.yml
@@ -146,7 +146,7 @@ jobs:
         uses: ./.github/workflows/cucumber-tests
         with:
           feature: "features/outer_loop_tests.feature"
-          mpi_path: ${{GITHUB_WORKSPACE}}/_build/vcpkg_installed/x64-linux/tools/openmpi/bin
+          mpi_path: ${GITHUB_WORKSPACE}/_build/vcpkg_installed/x64-linux/tools/openmpi/bin
 
       - name: Running unit tests
         timeout-minutes: 120
diff --git a/.github/workflows/build_ubuntu.yml b/.github/workflows/build_ubuntu.yml
index 13b52ba33..2fd84a9a2 100644
--- a/.github/workflows/build_ubuntu.yml
+++ b/.github/workflows/build_ubuntu.yml
@@ -152,7 +152,7 @@ jobs:
         uses: ./.github/workflows/cucumber-tests
         with:
           feature: "features/outer_loop_tests.feature"
-          mpi_path: ${{GITHUB_WORKSPACE}}/_build/vcpkg_installed/x64-linux/tools/openmpi/bin
+          mpi_path: ${GITHUB_WORKSPACE}/_build/vcpkg_installed/x64-linux/tools/openmpi/bin
 
 
       - name: Test