diff --git a/gnu/packages/audio.scm b/gnu/packages/audio.scm
index f890e82eb0..b786375599 100644
--- a/gnu/packages/audio.scm
+++ b/gnu/packages/audio.scm
@@ -4730,8 +4730,8 @@ (define-public r128gain
 format), to allow playback of several tracks or albums at a similar
 loudness level. r128gain can also be used as a Python module from other
 Python projects to scan and/or tag audio files.")
-    ;; setup.py claims LGPL2+, but this is not corroborated anywhere else
-    (license license:lgpl2.1)))
+    ;; 'setup.py' claims LGPL2+, 'LICENSE' is LGPLv2.1.
+    (license license:lgpl2.1+)))
 
 (define-public filteraudio
   (let ((revision "1")