diff --git a/src/flake8/_compat.py b/src/flake8/_compat.py
index 18809e2..81da7be 100644
--- a/src/flake8/_compat.py
+++ b/src/flake8/_compat.py
@@ -6,4 +6,11 @@ if sys.version_info >= (3, 8):  # pragma: no cover (PY38+)
 else:  # pragma: no cover (<PY38)
     import importlib_metadata
 
+if sys.version_info[:3] == (3, 8, 0):
+    # backported from importlib.metadata in 3.8.1
+    importlib_metadata.EntryPoint.__reduce__ = lambda self: (  # type: ignore
+        type(self),
+        (self.name, self.value, self.group),  # type: ignore
+    )
+
 __all__ = ("importlib_metadata",)