diff --git a/pkgs/development/libraries/proj/default.nix b/pkgs/development/libraries/proj/default.nix
index 14f459cc6fec..bc9178f6367a 100644
--- a/pkgs/development/libraries/proj/default.nix
+++ b/pkgs/development/libraries/proj/default.nix
@@ -8,11 +8,13 @@ stdenv.mkDerivation {
     sha256 = "15kpcmz3qjxfrs6vq48mgyvb4vxscmwgkzrdcn71a60wxp8rmgv0";
   };
 
+  doCheck = true;
+
   meta = with stdenv.lib; {
     description = "Cartographic Projections Library";
     homepage = http://trac.osgeo.org/proj/;
     license = licenses.mit;
-    platforms = platforms.linux;
+    platforms = platforms.linux ++ platforms.darwin;
     maintainers = with maintainers; [ vbgl ];
   };
 }