diff --git a/pkgs/by-name/hy/hydra/package.nix b/pkgs/by-name/hy/hydra/package.nix
index 61d8d1606397..fceef1e4812b 100644
--- a/pkgs/by-name/hy/hydra/package.nix
+++ b/pkgs/by-name/hy/hydra/package.nix
@@ -239,7 +239,7 @@ stdenv.mkDerivation (finalAttrs: {
         read -n 4 chars < $i
         if [[ $chars =~ ELF ]]; then continue; fi
         wrapProgram $i \
-            --prefix PERL5LIB ':' $out/libexec/hydra/lib:$PERL5LIB \
+            --prefix PERL5LIB ':' "$out/libexec/hydra/lib:${perlPackages.makePerlPath [ perlDeps ]}" \
             --prefix PATH ':' $out/bin:$hydraPath \
             --set-default HYDRA_RELEASE ${finalAttrs.version} \
             --set HYDRA_HOME $out/libexec/hydra \