diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ba62a9565..41fff60ff 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -132,7 +132,7 @@ jobs:
       run: |
         export ZOMBIENET_RELAYCHAIN_COMMAND=./polkadot
         export ZOMBIENET_PARACHAIN_COMMAND=./target/release/laos-ownership
-        ./zombienet-linux-x64 spawn ./ownership-chain/zombienet/native.toml -p native
+        ./zombienet-linux-x64 spawn ./ownership-chain/zombienet/native.toml -p native &
         echo "Zombienet started"
 
     - name: Use Node.js 18