diff --git a/pkgs/development/libraries/buddy/default.nix b/pkgs/development/libraries/buddy/default.nix
index 7e10f967a663..3cfa2a250216 100644
--- a/pkgs/development/libraries/buddy/default.nix
+++ b/pkgs/development/libraries/buddy/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     description = "binary decision diagram package";
     license = "as-is";
 
-    platforms = stdenv.lib.platforms.all;
+    platforms = stdenv.lib.platforms.allBut "i686-cygwin";
     maintainers = [ stdenv.lib.maintainers.simons ];
   };
 }