diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index e33e0fe25900..8ee927f6fb88 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -844,4 +844,7 @@ self: super: {
   # https://github.com/jaspervdj/websockets/issues/104
   websockets = dontCheck super.websockets;
 
+  # Avoid spurious test suite failures.
+  fft = dontCheck super.fft;
+
 }