diff --git a/Tests/test_file_iptc.py b/Tests/test_file_iptc.py
index 8a7c59fb1..89c45d77b 100644
--- a/Tests/test_file_iptc.py
+++ b/Tests/test_file_iptc.py
@@ -28,7 +28,7 @@ def test_getiptcinfo_jpg_none() -> None:
     # Arrange
     with hopper() as im:
         # Act
-        iptc = IptcImagePlugin.getiptcinfo(im)
+        iptc = IptcImagePlugin.getiptcinfo(im)  # type: ignore[arg-type]
 
     # Assert
     assert iptc is None
diff --git a/src/PIL/IptcImagePlugin.py b/src/PIL/IptcImagePlugin.py
index 7ca5e6680..a867cba77 100644
--- a/src/PIL/IptcImagePlugin.py
+++ b/src/PIL/IptcImagePlugin.py
@@ -192,7 +192,7 @@ Image.register_extension(IptcImageFile.format, ".iim")
 
 
 def getiptcinfo(
-    im: Image.Image,
+    im: ImageFile.ImageFile,
 ) -> dict[tuple[int, int], bytes | list[bytes]] | None:
     """
     Get IPTC information from TIFF, JPEG, or IPTC file.