diff --git a/packages/genodelabs/default.nix b/packages/genodelabs/default.nix
index a3c327a..8b44ad2 100644
--- a/packages/genodelabs/default.nix
+++ b/packages/genodelabs/default.nix
@@ -59,7 +59,7 @@ let
     { hash ? "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA="
     , patches ? [ ], extraRepos ? [ ], ... }@args:
     let
-      dontUnpack = patches == [ ] and extraRepos == [ ];
+      dontUnpack = patches == [ ] && extraRepos == [ ];
       version = portVersions.${name} or args.version;
     in with buildPackages.buildPackages;
     stdenvNoCC.mkDerivation (args // {
@@ -89,12 +89,12 @@ let
         ''
           runHook preBuild
           export CONTRIB_DIR=$NIX_BUILD_TOP/contrib
-          export GENODE_DIR=${if havePatches then "$(pwd)" else genodeSources}
+          export GENODE_DIR=${if dontUnpack then genodeSources else "$(pwd)"}
+          for repo in $extraRepos; do
+            ln -s $repo $GENODE_DIR/repos/
+          done
           mkdir $CONTRIB_DIR
           $GENODE_DIR/tool/ports/prepare_port ${name} CHECK_HASH=no
-          for repo in $extraRepos; do
-            ln -s ${repo} $GENODE_DIR/repos/
-          done
           runHook postBuild
         '';