diff --git a/pkgs/development/python-modules/pyliblo/default.nix b/pkgs/development/python-modules/pyliblo/default.nix
index 52f59cc3fc8d..851083a52b58 100644
--- a/pkgs/development/python-modules/pyliblo/default.nix
+++ b/pkgs/development/python-modules/pyliblo/default.nix
@@ -22,7 +22,7 @@ buildPythonPackage rec {
   meta = with lib; {
     homepage = "https://das.nasophon.de/pyliblo/";
     description = "Python wrapper for the liblo OSC library";
-    license = licenses.lgpl21;
+    license = licenses.lgpl21Only;
   };
 
 }