diff --git a/isort/settings.py b/isort/settings.py
index 158aa36ca..96fc9410e 100644
--- a/isort/settings.py
+++ b/isort/settings.py
@@ -182,7 +182,7 @@ class _Config:
     directory: str = ""
     profile: str = ""
     honor_noqa: bool = False
-    src_paths: Tuple[Path, ...] = tuple()
+    src_paths: Tuple[Path, ...] = ()
     old_finders: bool = False
     remove_redundant_aliases: bool = False
     float_to_top: bool = False