diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 3f4274441ba..b54a5b72235 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -229,6 +229,7 @@ self: super: {
   pocket-dns = dontCheck super.pocket-dns;
   postgresql-simple = dontCheck super.postgresql-simple;
   postgrest = dontCheck super.postgrest;
+  postgrest-ws = dontCheck super.postgrest-ws;
   snowball = dontCheck super.snowball;
   sophia = dontCheck super.sophia;
   test-sandbox = dontCheck super.test-sandbox;