diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 957d1b9b2857..2d5f37c536e4 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -2338,7 +2338,9 @@ self : let callPackage = x : y : modifyPrio (newScope self x y); in
 
   webRoutesBoomerang = callPackage ../development/libraries/haskell/web-routes-boomerang {};
 
-  websockets = callPackage ../development/libraries/haskell/websockets {};
+  websockets = callPackage ../development/libraries/haskell/websockets {
+    testFrameworkQuickcheck2 = self.testFrameworkQuickcheck2.override { QuickCheck = self.QuickCheck_2_6; };
+  };
 
   websocketsSnap = callPackage ../development/libraries/haskell/websockets-snap {};