diff --git a/chain-operators/tutorials/create-l2-rollup/op-proposer-setup.mdx b/chain-operators/tutorials/create-l2-rollup/op-proposer-setup.mdx
index 309ede371..bb010ffca 100644
--- a/chain-operators/tutorials/create-l2-rollup/op-proposer-setup.mdx
+++ b/chain-operators/tutorials/create-l2-rollup/op-proposer-setup.mdx
@@ -62,7 +62,7 @@ For setting up the proposer, we recommend using Docker as it provides a consiste
       cp ../deployer/.deployer/state.json .
 
       # Extract the DisputeGameFactory address
-      GAME_FACTORY_ADDRESS=$(cat state.json | jq -r '.opChainDeployments[0].disputeGameFactoryProxyAddress')
+      GAME_FACTORY_ADDRESS=$(cat state.json | jq -r '.opChainDeployments[0].DisputeGameFactoryProxy')
       echo "DisputeGameFactory Address: $GAME_FACTORY_ADDRESS"
       ```