diff --git a/packages/protocol/contracts-0.8/common/interfaces/IEpochManagerEnablerInitializer.sol b/packages/protocol/contracts-0.8/common/interfaces/IEpochManagerEnablerInitializer.sol
index 1c26742695b..3643d5ec711 100644
--- a/packages/protocol/contracts-0.8/common/interfaces/IEpochManagerEnablerInitializer.sol
+++ b/packages/protocol/contracts-0.8/common/interfaces/IEpochManagerEnablerInitializer.sol
@@ -1,4 +1,6 @@
 // SPDX-License-Identifier: LGPL-3.0-only
 pragma solidity >=0.5.13 <0.9.0;
 
-interface IEpochManagerEnablerInitializer {}
+interface IEpochManagerEnablerInitializer {
+  function initialize(address registryAddress) external;
+}