diff --git a/release.nix b/release.nix
index e09fc4de..a2e46785 100644
--- a/release.nix
+++ b/release.nix
@@ -59,6 +59,7 @@ rec {
                 --prefix PERL5LIB ':' $out/libexec/hydra/lib:$PERL5LIB \
                 --prefix PATH ':' $out/bin:$hydraPath \
                 --set HYDRA_RELEASE ${tarball.version} \
+                --set HYDRA_HOME $out/libexec/hydra \
                 --set NIX_RELEASE ${nix.name}
         done