diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 93903a60dad..4d30124e452 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -168,6 +168,9 @@ self: super: {
   # https://github.com/kazu-yamamoto/simple-sendfile/issues/17
   simple-sendfile = dontCheck super.simple-sendfile;
 
+  # Fails no apparent reason. Upstream has been notified by e-mail.
+  assertions = dontCheck super.assertions;
+
 }
 // {
   # Not on Hackage yet.