diff --git a/pkgs/development/python-modules/raspyrfm-client/default.nix b/pkgs/development/python-modules/raspyrfm-client/default.nix
index 5d5a20ff9589..95735136e3b9 100644
--- a/pkgs/development/python-modules/raspyrfm-client/default.nix
+++ b/pkgs/development/python-modules/raspyrfm-client/default.nix
@@ -33,5 +33,6 @@ buildPythonPackage rec {
     homepage = "https://github.com/markusressel/raspyrfm-client";
     changelog = "https://github.com/markusressel/raspyrfm-client/releases/tag/${src.tag}";
     maintainers = with lib.maintainers; [ ethancedwards8 ];
+    license = lib.licenses.gpl3Plus;
   };
 }