diff --git a/pkgs/development/tools/analysis/valgrind/default.nix b/pkgs/development/tools/analysis/valgrind/default.nix
index 0e91e69d35d4..ebd2d3ab07e0 100644
--- a/pkgs/development/tools/analysis/valgrind/default.nix
+++ b/pkgs/development/tools/analysis/valgrind/default.nix
@@ -40,6 +40,6 @@ stdenv.mkDerivation rec {
 
     maintainers = [ stdenv.lib.maintainers.eelco ];
     
-    platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.cygwin;
+    platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.darwin;
   };
 }