diff --git a/src/frostfs_testlib/credentials/wallet_factory_provider.py b/src/frostfs_testlib/credentials/wallet_factory_provider.py
index 4d1ab7ae..d00020f7 100644
--- a/src/frostfs_testlib/credentials/wallet_factory_provider.py
+++ b/src/frostfs_testlib/credentials/wallet_factory_provider.py
@@ -10,5 +10,5 @@ class WalletFactoryProvider(GrpcCredentialsProvider):
     @reporter.step("Init gRPC Credentials using wallet generation")
     def provide(self, user: User, cluster_node: ClusterNode) -> WalletInfo:
         wallet_factory = WalletFactory(ASSETS_DIR, LocalShell())
-        user.wallet = wallet_factory.create_wallet(file_name=user, password=DEFAULT_WALLET_PASS)
+        user.wallet = wallet_factory.create_wallet(file_name=user.name, password=DEFAULT_WALLET_PASS)
         return user.wallet