diff --git a/pkgs/tools/audio/beets/default.nix b/pkgs/tools/audio/beets/default.nix
index 4234889ac4d..71ebe7ceb81 100644
--- a/pkgs/tools/audio/beets/default.nix
+++ b/pkgs/tools/audio/beets/default.nix
@@ -264,7 +264,7 @@ in pythonPackages.buildPythonApplication rec {
 
   meta = {
     description = "Music tagger and library organizer";
-    homepage = http://beets.io;
+    homepage = "http://beets.io";
     license = licenses.mit;
     maintainers = with maintainers; [ aszlig domenkozar pjones ];
     platforms = platforms.linux;