diff --git a/codecov_cli/services/upload/collectors/coverage_upload_collector.py b/codecov_cli/services/upload/collectors/coverage_upload_collector.py
index a1647664..b562a081 100644
--- a/codecov_cli/services/upload/collectors/coverage_upload_collector.py
+++ b/codecov_cli/services/upload/collectors/coverage_upload_collector.py
@@ -176,7 +176,9 @@ def _generate_payload(
                 "format": "legacy",
                 "value": self._get_file_fixers(upload_data),
             },
-            "network_files": network_files if network_files is not None else [],
+            "network_files": [file.get_filename().decode() for file in network_files]
+            if network_files is not None
+            else [],
             "coverage_files": self._get_coverage_files(upload_data),
             "metadata": {},
         }
diff --git a/codecov_cli/types.py b/codecov_cli/types.py
index 58f53d54..772b36d9 100644
--- a/codecov_cli/types.py
+++ b/codecov_cli/types.py
@@ -43,7 +43,7 @@ class UploadCollectionResultFileFixer(object):
 @dataclass
 class UploadCollectionResult(object):
     __slots__ = ["network", "coverage_files", "file_fixes"]
-    network: typing.List[str]
+    network: typing.List[UploadCollectionResultFile]
     coverage_files: typing.List[UploadCollectionResultFile]
     file_fixes: typing.List[UploadCollectionResultFileFixer]