diff --git a/package_io/constant.star b/package_io/constant.star
index 97248a0..2018aaf 100644
--- a/package_io/constant.star
+++ b/package_io/constant.star
@@ -23,7 +23,7 @@ DIFFERENT_IMAGES_FOR_TESTNET = {
     "acala": "acala/mandala-node:2.22.0",
 }
 
-CHAIN_COMMAND = ["manta", "moonsama", "interlay", "kintsugi-btc", "polkadex", "centrifuge", "altair", "robonomics", "kilt", "mangata", "litentry", "kylin"]
+CHAIN_COMMAND = ["manta", "moonsama", "interlay", "kintsugi-btc", "polkadex", "centrifuge", "altair", "robonomics", "kilt", "mangata", "litentry", "kylin", "acala", "karura"]
 
 KUSAMA_PARACHAINS = ["altair", "bajun", "bifrost", "calamari", "encointer", "karura", "khala", "kintsugi-btc", "integritee", "litmus", "mangata", "moonriver", "subzero", "turing"]
 POLKADOT_PARACHAINS = ["acala", "ajuna", "bifrost", "centrifuge", "clover", "frequency", "interlay", "kilt", "kylin", "litentry", "manta", "moonbeam", "moonsama", "nodle", "parallel", "pendulum", "phala", "polkadex", "subsocial", "zeitgeist", "robonomics"]
diff --git a/parachain/parachain.star b/parachain/parachain.star
index 1c9eb4b..e2f4240 100644
--- a/parachain/parachain.star
+++ b/parachain/parachain.star
@@ -157,7 +157,7 @@ def run_testnet_mainnet(plan, chain_type, relaychain_name, parachain):
 
     if chain_type == "testnet" and parachain["name"] == "litentry":
         common_command = common_command + ["--bootnodes=/dns/rpc.rococo-parachain.litentry.io/tcp/40333/ws/p2p/12D3KooWD9t5jsf5m2g4acXfyVf2KxR5j11F9SLC5wKhv6JRquyv"]
-
+    
     parachain_info = {parachain["name"]: {}}
     if parachain["name"] == "altair" or parachain["name"] == "centrifuge":
         common_command = common_command + ["--database=auto"]
@@ -189,7 +189,10 @@ def run_testnet_mainnet(plan, chain_type, relaychain_name, parachain):
             command = command + ["--validator"]
 
         if parachain["name"] in constant.CHAIN_COMMAND:
-            command = command + ["--", "--chain={0}".format(relaychain_name)]
+            if parachain["name"] in ["acala", "karura"] and chain_type == "testnet":
+                command = command + ["--", "--chain={0}".format("/rococo-mandala.json")]
+            else:
+                command = command + ["--", "--chain={0}".format(relaychain_name)]
 
         if parachain["name"] == "kilt-spiritnet" and chain_type == "testnet":
             command = command + ["--", "--chain=/node/dev-specs/kilt-parachain/peregrine-relay.json"]