diff --git a/.github/workflows/local.yaml b/.github/workflows/local.yaml
index 5d841a0..a3cdc35 100644
--- a/.github/workflows/local.yaml
+++ b/.github/workflows/local.yaml
@@ -31,7 +31,7 @@ jobs:
                   kurtosis clean -a
                   echo "Processing para chain: $para_chain, relay chain: $relay_chain"
                   # Call Python script with para_chain and relay_chain as arguments
-                  python ./testdata/generate_json.py --relay "$relay_chain" --para "$para_chain" --network "local"
+                  python ./testdata/generate_json.py --relay "$relay_chain" --para "$para_chain" --network "localnet"
                   kurtosis run . --args-file ./testdata/updated_config.json --enclave polkadot || failed_chains+=("$para_chain")
                 done < ./testdata/chain_value.csv
                 if [ ${#failed_chains[@]} -gt 0 ]; then
diff --git a/testdata/generate_json.py b/testdata/generate_json.py
index eeab96e..d2e34de 100644
--- a/testdata/generate_json.py
+++ b/testdata/generate_json.py
@@ -15,7 +15,7 @@ def update_config(original_config, relay_chain, para_chain, network):
         config_data["relaychain"]["name"] = relay_chain.lower()
     else:
         # Update the original JSON data
-        config_data["chain_type"] = "local"
+        config_data["chain_type"] = "localnet"
         config_data["relaychain"]["name"] = "rococo-local"
 
     for para in config_data["parachains"]:
@@ -39,7 +39,7 @@ def main():
     parser.add_argument('--network', type=str, help='test environment')
 
     args = parser.parse_args()
-    update_config("./local.json", args.relay, args.para, args.network)
+    update_config("./config.json", args.relay, args.para, args.network)
 
 if __name__ == "__main__":
     main()
\ No newline at end of file