diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix
index cef032ff2e77..d594170d4580 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix
@@ -63,6 +63,8 @@ self: super: {
   nats = dontHaddock super.nats;
   bytestring-builder = dontHaddock super.bytestring-builder;
 
+  hoauth2 = overrideCabal super.hoauth2 (drv: { testDepends = (drv.testDepends or []) ++ [ self.wai self.warp ]; });
+
   # Setup: At least the following dependencies are missing: base <4.8
   hspec-expectations = overrideCabal super.hspec-expectations (drv: {
     postPatch = "sed -i -e 's|base < 4.8|base|' hspec-expectations.cabal";