diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 0be4ed81..dafc0965 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -397,14 +397,23 @@ jobs:
       - name: Install Kurtosis CDK tools
         uses: ./.github/actions/setup-kurtosis-cdk
 
+      # Step to handle when the SP1_PRIVATE_KEY secret is available
       - name: Replace Agglayer SP1 Prover Key with Github Secrets
         run: |
           sed -i "s/agglayer_prover_sp1_key: \"\"/agglayer_prover_sp1_key: \"${{ secrets.SP1_PRIVATE_KEY }}\"/" ./.github/tests/agglayer-sp1-key.yml
         # This step will only execute if the necessary secrets are available, preventing failures
         # on pull requests from forked repositories.
-        if: ${{ env.agglayer_prover_sp1_key }}
+        if: ${{ env.agglayer_prover_sp1_key && env.agglayer_prover_sp1_key != '' }}
         env :
           agglayer_prover_sp1_key: ${{ secrets.SP1_PRIVATE_KEY }}
+      
+      # Step to handle when the SP1_PRIVATE_KEY secret is not available
+      - name: Handle missing SP1_PRIVATE_KEY secret
+        if: ${{ !env.agglayer_prover_sp1_key || env.agglayer_prover_sp1_key == '' }}
+        run: |
+          sed -i '/agglayer_prover_sp1_key:/d' ./.github/tests/agglayer-sp1-key.yml
+        env:
+          agglayer_prover_sp1_key: ${{ secrets.SP1_PRIVATE_KEY }}
 
       - name: Deploy L1 chain and a first CDK L2 chain (cdk-erigon sequencer + cdk stack)
         run: kurtosis run --enclave=${{ env.ENCLAVE_NAME }} --args-file=./.github/tests/agglayer-sp1-key.yml .