diff --git a/doc/languages-frameworks/haskell.md b/doc/languages-frameworks/haskell.md
index 2ddec0d9aba4..3da13dd9ed64 100644
--- a/doc/languages-frameworks/haskell.md
+++ b/doc/languages-frameworks/haskell.md
@@ -653,7 +653,7 @@ then you have to download and re-install `foo` and all its dependents from
 scratch:
 
     # nix-store -q --referrers /nix/store/*-haskell-text-1.2.0.4 \
-      | xargs -L 1 nix-store --repair-path --option binary-caches http://hydra.nixos.org
+      | xargs -L 1 nix-store --repair-path
 
 If you're using additional Hydra servers other than `hydra.nixos.org`, then it
 might be necessary to purge the local caches that store data from those