diff --git a/platform/core/src/extensions/ExtensionManager.js b/platform/core/src/extensions/ExtensionManager.js
index ddb702485..a6ceb7c36 100644
--- a/platform/core/src/extensions/ExtensionManager.js
+++ b/platform/core/src/extensions/ExtensionManager.js
@@ -68,7 +68,7 @@ export default class ExtensionManager {
     // preRegistrationHook
     if (extension.preRegistration) {
       extension.preRegistration({
-        serviceManager: this._servicesManager,
+        servicesManager: this._servicesManager,
         configuration,
       });
     }