diff --git a/src/config/ConfigHelper.ts b/src/config/ConfigHelper.ts
index 4379a9aa..aa6417ca 100644
--- a/src/config/ConfigHelper.ts
+++ b/src/config/ConfigHelper.ts
@@ -339,7 +339,9 @@ export class ConfigHelper {
       }
     }
 
-    config.accessListFactory = contractAddressesConfig.accessListFactory
+    if (!('accessListFactory' in contractAddressesConfig)) {
+      config.accessListFactory = contractAddressesConfig.accessListFactory
+    }
 
     config = { ...config, ...contractAddressesConfig }