diff --git a/tests/e2e_tests/utils/chain_interactions.py b/tests/e2e_tests/utils/chain_interactions.py
index bd5829e219..36ffe3808b 100644
--- a/tests/e2e_tests/utils/chain_interactions.py
+++ b/tests/e2e_tests/utils/chain_interactions.py
@@ -98,7 +98,11 @@ def register_subnet(substrate: "SubstrateInterface", wallet: "Wallet") -> bool:
     register_call = substrate.compose_call(
         call_module="SubtensorModule",
         call_function="register_network",
-        call_params={"immunity_period": 0, "reg_allowed": True},
+        call_params={
+            "immunity_period": 0,
+            "reg_allowed": True,
+            "hotkey": wallet.hotkey.ss58_address,
+        },
     )
     extrinsic = substrate.create_signed_extrinsic(
         call=register_call, keypair=wallet.coldkey