diff --git a/src/main/kotlin/org/opensearch/replication/repository/RemoteClusterRepository.kt b/src/main/kotlin/org/opensearch/replication/repository/RemoteClusterRepository.kt
index 77233828..eb1d4e47 100644
--- a/src/main/kotlin/org/opensearch/replication/repository/RemoteClusterRepository.kt
+++ b/src/main/kotlin/org/opensearch/replication/repository/RemoteClusterRepository.kt
@@ -359,6 +359,10 @@ class RemoteClusterRepository(private val repositoryMetadata: RepositoryMetadata
         return true
     }
 
+    override fun isSystemRepository(): Boolean {
+        throw UnsupportedOperationException("Operation not permitted")
+    }
+
 
     /*
      * This method makes a blocking call to the leader cluster