diff --git a/.github/workflows/kurtosis-op.yml b/.github/workflows/kurtosis-op.yml
index 110b66a8bded..e9b3f1fc2bd2 100644
--- a/.github/workflows/kurtosis-op.yml
+++ b/.github/workflows/kurtosis-op.yml
@@ -97,8 +97,8 @@ jobs:
         run: |
           for i in {1..100}; do
             sleep 5
-            BLOCK_GETH=$(cast bn --rpc-url $RETH_RPC)
-            BLOCK_RETH=$(cast bn --rpc-url $GETH_RPC)
+            BLOCK_GETH=$(cast bn --rpc-url $GETH_RPC)
+            BLOCK_RETH=$(cast bn --rpc-url $RETH_RPC)
 
             if [ $BLOCK_GETH -ge 100 ] && [ $BLOCK_RETH -ge 100 ] ; then exit 0; fi
             echo "Waiting for clients to advance..., Reth: $BLOCK_RETH Geth: $BLOCK_GETH"