diff --git a/meta/padding.go b/meta/padding.go
index 94b6748..febb840 100644
--- a/meta/padding.go
+++ b/meta/padding.go
@@ -36,5 +36,7 @@ func (zr zeros) Read(p []byte) (n int, err error) {
 			return n, ErrInvalidPadding
 		}
 	}
-	return n, errors.WithStack(err)
+	// Note, not wrapping err in errors.WithStack as it will confuse io.Copy
+	// which is expecting io.EOF.
+	return n, err
 }