diff --git a/pkgs/applications/version-management/git-and-tools/git-annex/default.nix b/pkgs/applications/version-management/git-and-tools/git-annex/default.nix
index 6d432c3d03d3..4407514b70ed 100644
--- a/pkgs/applications/version-management/git-and-tools/git-annex/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/git-annex/default.nix
@@ -45,7 +45,7 @@ stdenv.mkDerivation {
       control.
     '';
 
-    platforms = stdenv.lib.platforms.unix;
+    platforms = stdenv.lib.platforms.haskellPlatforms;
     maintainers = [ stdenv.lib.maintainers.simons ];
   };
 }