diff --git a/gstreamer-base/src/subclass/base_transform.rs b/gstreamer-base/src/subclass/base_transform.rs
index 7d3ea8fb0..19b58aca6 100644
--- a/gstreamer-base/src/subclass/base_transform.rs
+++ b/gstreamer-base/src/subclass/base_transform.rs
@@ -465,12 +465,10 @@ pub trait BaseTransformImplExt: sealed::Sealed + ObjectSubclass {
                             PrepareOutputBufferSuccess::Buffer(from_glib_full(outbuf))
                         }
                     })
-                    .map_err(|err| {
+                    .inspect_err(|_err| {
                         if outbuf != buf as *mut _ {
                             drop(Option::<gst::Buffer>::from_glib_full(outbuf));
                         }
-
-                        err
                     })
                 })
                 .unwrap_or(Err(gst::FlowError::NotSupported))