1 files changed, 1 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/development/tools/documentation/doxygen/default.nix b/nixpkgs/pkgs/development/tools/documentation/doxygen/default.nix
index 9152230e3888..d7ad57d847c0 100644
--- a/nixpkgs/pkgs/development/tools/documentation/doxygen/default.nix
+++ b/nixpkgs/pkgs/development/tools/documentation/doxygen/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     license = stdenv.lib.licenses.gpl2Plus;
-    homepage = http://doxygen.nl/;
+    homepage = "http://doxygen.nl/";
     description = "Source code documentation generator tool";
 
     longDescription = ''