diff --git a/pkgs/development/haskell-modules/configuration-darwin.nix b/pkgs/development/haskell-modules/configuration-darwin.nix
index 47a5cf4e9bc1..0c4b46360ba7 100644
--- a/pkgs/development/haskell-modules/configuration-darwin.nix
+++ b/pkgs/development/haskell-modules/configuration-darwin.nix
@@ -174,4 +174,7 @@ self: super: {
   hls-fourmolu-plugin = dontCheck super.hls-fourmolu-plugin;
   hls-module-name-plugin = dontCheck super.hls-module-name-plugin;
 
+  # We are lacking pure pgrep at the moment for tests to work
+  tmp-postgres = dontCheck super.tmp-postgres;
+
 }