2 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/development/libraries/bullet/default.nix b/pkgs/development/libraries/bullet/default.nix
index 5b4e37eff9f..1c9a10356a4 100644
--- a/pkgs/development/libraries/bullet/default.nix
+++ b/pkgs/development/libraries/bullet/default.nix
@@ -49,7 +49,7 @@ stdenv.mkDerivation rec {
       Bullet 3D Game Multiphysics Library provides state of the art collision
       detection, soft body and rigid body dynamics.
     '';
-    homepage = http://bulletphysics.org;
+    homepage = "http://bulletphysics.org";
     license = licenses.zlib;
     maintainers = with maintainers; [ aforemny ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/bullet/roboschool-fork.nix b/pkgs/development/libraries/bullet/roboschool-fork.nix
index 34a9ee3b6ee..abb9d3e2ce3 100644
--- a/pkgs/development/libraries/bullet/roboschool-fork.nix
+++ b/pkgs/development/libraries/bullet/roboschool-fork.nix
@@ -50,7 +50,7 @@ stdenv.mkDerivation {
       Bullet 3D Game Multiphysics Library provides state of the art collision
       detection, soft body and rigid body dynamics.
     '';
-    homepage = http://bulletphysics.org;
+    homepage = "http://bulletphysics.org";
     license = licenses.zlib;
     platforms = platforms.unix;
   };