diff --git a/pkgs/applications/audio/pianobar/default.nix b/pkgs/applications/audio/pianobar/default.nix
index a9f4b02fa083..b2f44513bbaa 100644
--- a/pkgs/applications/audio/pianobar/default.nix
+++ b/pkgs/applications/audio/pianobar/default.nix
@@ -21,6 +21,6 @@ stdenv.mkDerivation rec {
     description = "A console front-end for Pandora.com";
     homepage = "http://6xq.net/projects/pianobar/";
     platforms = stdenv.lib.platforms.linux;
-    license = stdenv.lib.licenses.unfree;
+    license = stdenv.lib.licenses.mit;
   };
 }