diff --git a/PyPDF2/generic.py b/PyPDF2/generic.py
index af0038b71..3b82483c7 100644
--- a/PyPDF2/generic.py
+++ b/PyPDF2/generic.py
@@ -2117,7 +2117,7 @@ def line(
         rect: Tuple[float, float, float, float],
         text: str = "",
         title_bar: str = "",
-    ):
+    ) -> DictionaryObject:
         """
         Draw a line on the PDF.