diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index a3dfc2b..1c198b3 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -44,9 +44,11 @@ jobs:
     runs-on: ${{ matrix.os }}
     name: ${{ matrix.os }} ${{ matrix.CXX }} ruby-${{ matrix.ruby }}
     env:
+      DOC_ROOT: ${{ github.workspace }}/ACE_TAO
       ACE_ROOT: ${{ github.workspace }}/ACE_TAO/ACE
       TAO_ROOT: ${{ github.workspace }}/ACE_TAO/TAO
       MPC_ROOT: ${{ github.workspace }}/ACE_TAO/MPC
+      RIDL_ROOT: ${{ github.workspace }}/ridl
       CC: ${{ matrix.CC }}
       CXX: ${{ matrix.CXX }}
     steps:
@@ -59,19 +61,19 @@ jobs:
       uses: actions/checkout@v2
       with:
         repository: DOCGroup/ACE_TAO
-        path: ACE_TAO
+        path: ${{ env.DOC_ROOT }}
         ref: Latest_Micro
     - name: checkout MPC
       uses: actions/checkout@v2
       with:
         repository: DOCGroup/MPC
-        path: ACE_TAO/MPC
+        path: ${{ env.MPC_ROOT }}
         ref: Latest_ACETAO_Micro
     - name: checkout ridl
       uses: actions/checkout@v2
       with:
         repository: RemedyIT/ridl
-        path: ridl
+        path: ${{ env.RIDL_ROOT }}
     - name: Add Repo
       run: |
         wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key|sudo apt-key add -