diff --git a/docs/versionhistory.rst b/docs/versionhistory.rst
index 7ab922c..cb1563c 100644
--- a/docs/versionhistory.rst
+++ b/docs/versionhistory.rst
@@ -4,6 +4,9 @@ Version history
 This library adheres to
 `Semantic Versioning 2.0 <https://semver.org/#semantic-versioning-200>`_.
 
+- Changed the signature of ``typeguard_ignore()`` to be compatible with
+  ``typing.no_type_check()`` (PR by @jolaf)
+
 **4.4.0** (2024-10-27)
 
 - Added proper checking for method signatures in protocol checks
diff --git a/src/typeguard/_decorators.py b/src/typeguard/_decorators.py
index af6f82b..1d171ec 100644
--- a/src/typeguard/_decorators.py
+++ b/src/typeguard/_decorators.py
@@ -21,9 +21,9 @@
 if TYPE_CHECKING:
     from typeshed.stdlib.types import _Cell
 
-    def typeguard_ignore(f: T_CallableOrType) -> T_CallableOrType:
+    def typeguard_ignore(arg: T_CallableOrType) -> T_CallableOrType:
         """This decorator is a noop during static type-checking."""
-        return f
+        return arg
 
 else:
     from typing import no_type_check as typeguard_ignore  # noqa: F401