diff --git a/PyPDF2/generic.py b/PyPDF2/generic.py
index 34b8b3974..c3fbfc80a 100644
--- a/PyPDF2/generic.py
+++ b/PyPDF2/generic.py
@@ -76,6 +76,14 @@ def get_object(self) -> Optional["PdfObject"]:
         """Resolve indirect references."""
         return self
 
+    def getObject(self) -> Optional["PdfObject"]:
+        warnings.warn(
+            "getObject will be removed in PyPDF2 2.0.0. Use get_object instead.",
+            PendingDeprecationWarning,
+            stacklevel=2,
+        )
+        return self.get_object()
+
     def write_to_stream(
         self, stream: StreamType, encryption_key: Union[None, str, bytes]
     ) -> None: