diff --git a/Copyright b/Copyright
index d3e5a6e815..941a0f1252 100644
--- a/Copyright
+++ b/Copyright
@@ -62,7 +62,7 @@ LGPL relicensing status:
     audio/filter/af_format.c        easy
     audio/filter/af_lavc3enc.c      LGPL
     audio/filter/af_lavfi.c         LGPL
-    audio/filter/af_scaletempo.c    easy
+    audio/filter/af_scaletempo.c    LGPL
     audio/filter/af_rubberband.c    LGPL
     audio/out/ao.c                  hard
     audio/out/ao.h                  very hard (anders' changes)
diff --git a/audio/filter/af_scaletempo.c b/audio/filter/af_scaletempo.c
index 4f0eb13091..0499631ea9 100644
--- a/audio/filter/af_scaletempo.c
+++ b/audio/filter/af_scaletempo.c
@@ -16,18 +16,18 @@
  *
  * This file is part of mpv.
  *
- * mpv is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * mpv is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
  *
  * mpv is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along
- * with mpv.  If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <stdlib.h>