diff --git a/doc/manual/nix-store.xml b/doc/manual/nix-store.xml
index ffa7e9185d..c8146c9076 100644
--- a/doc/manual/nix-store.xml
+++ b/doc/manual/nix-store.xml
@@ -1242,9 +1242,9 @@ variable <envar>_args</envar>.</para>
 $ nix-store --print-env $(nix-instantiate '&lt;nixpkgs>' -A firefox)
 <replaceable>…</replaceable>
 export src; src='/nix/store/plpj7qrwcz94z2psh6fchsi7s8yihc7k-firefox-12.0.source.tar.bz2'
-export stdenv; stdenv='/nix/store/7c8asx3yfrg5dg1gzhzyq2236zfgibnm-stdenv'
+export stdenv; stdenv='/nix/store/7c8asx3yfrg5dg1gzhzyq2236zfgibnn-stdenv'
 export system; system='x86_64-linux'
-export _args; _args='-e /nix/store/9krlzvny65gdc8s7kpb6lkx8cd02c25b-default-builder.sh'
+export _args; _args='-e /nix/store/9krlzvny65gdc8s7kpb6lkx8cd02c25c-default-builder.sh'
 </screen>
 
 </refsection>