diff --git a/.github/workflows/manual-deploy-testnet-l2.yml b/.github/workflows/manual-deploy-testnet-l2.yml
index d8596ee8b9..418f280896 100644
--- a/.github/workflows/manual-deploy-testnet-l2.yml
+++ b/.github/workflows/manual-deploy-testnet-l2.yml
@@ -67,7 +67,7 @@ jobs:
 
       - name: 'Build and push obscuro node images'
         run: |
-          DOCKER_BUILDKIT=1 docker build -t ${{ vars.DOCKER_BUILD_TAG_ENCLAVE }} -f dockerfiles/enclave.Dockerfile  .
+          DOCKER_BUILDKIT=1 docker build -t ${{ vars.DOCKER_BUILD_TAG_ENCLAVE }} --build-arg TESTMODE=true -f dockerfiles/enclave.Dockerfile  .
           docker push ${{ vars.DOCKER_BUILD_TAG_ENCLAVE }}
           DOCKER_BUILDKIT=1 docker build -t ${{ vars.DOCKER_BUILD_TAG_HOST }} -f dockerfiles/host.Dockerfile .
           docker push ${{ vars.DOCKER_BUILD_TAG_HOST }}
diff --git a/.github/workflows/manual-upgrade-testnet-l2.yml b/.github/workflows/manual-upgrade-testnet-l2.yml
index bc7e313976..0a62c53053 100644
--- a/.github/workflows/manual-upgrade-testnet-l2.yml
+++ b/.github/workflows/manual-upgrade-testnet-l2.yml
@@ -86,7 +86,7 @@ jobs:
 
       - name: 'Build and push obscuro node images'
         run: |
-          DOCKER_BUILDKIT=1 docker build -t ${{ vars.L2_ENCLAVE_DOCKER_BUILD_TAG }} -f dockerfiles/enclave.Dockerfile  .
+          DOCKER_BUILDKIT=1 docker build -t ${{ vars.L2_ENCLAVE_DOCKER_BUILD_TAG }} --build-arg TESTMODE=true -f dockerfiles/enclave.Dockerfile  .
           docker push ${{ vars.L2_ENCLAVE_DOCKER_BUILD_TAG }}
           DOCKER_BUILDKIT=1 docker build -t ${{ vars.L2_HOST_DOCKER_BUILD_TAG }} -f dockerfiles/host.Dockerfile .
           docker push ${{ vars.L2_HOST_DOCKER_BUILD_TAG }}