diff --git a/gstreamer-rtp/Gir.toml b/gstreamer-rtp/Gir.toml
index f49d6d47c..da2222e9b 100644
--- a/gstreamer-rtp/Gir.toml
+++ b/gstreamer-rtp/Gir.toml
@@ -52,6 +52,14 @@ status = "generate"
     name = "rtp_source_meta_api_get_type"
     ignore = true
 
+[[object]]
+name = "GstRtp.RTPBuffer"
+status = "manual"
+    [[object.function]]
+    name = "map"
+    # Readable and writable variant dealing with mutability
+    rename = "from_buffer_readable"
+
 [[object]]
 name = "GstRtp.RTPBufferFlags"
 status = "generate"