diff --git a/doc/manual/command-ref/nix-store.xml b/doc/manual/command-ref/nix-store.xml
index fb017b741da97c0c19442f66bd8e39bdcc38ed06..19c99841a0ace6e99c42e5bb85cd9f85e6b96d00 100644
--- a/doc/manual/command-ref/nix-store.xml
+++ b/doc/manual/command-ref/nix-store.xml
@@ -234,7 +234,7 @@ linkend="sec-nix-build"><command>nix-build</command></link> does.</para>
 <para>To test whether a previously-built derivation is deterministic:
 
 <screen>
-$ nix-build -r '&lt;nixpkgs>' -A hello --check -K
+$ nix-build '&lt;nixpkgs>' -A hello --check -K
 </screen>
 
 </para>