diff --git a/packages/hxtorch/package.py b/packages/hxtorch/package.py
index a7eb51eb95722b4017a8517cf0a5a63d138ba345..a99b2895c880977975a0c13f886b79adb6179bfc 100644
--- a/packages/hxtorch/package.py
+++ b/packages/hxtorch/package.py
@@ -3,6 +3,7 @@
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 from spack import *
+import os
 
 
 class Hxtorch(WafPackage):
diff --git a/spack.yaml b/spack.yaml
index a54cfeffac28103674a1db90700baaf81e2be187..02f0dcb7f194cdb83c36be3b5eba973310ef7853 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -30,7 +30,7 @@ spack:
     - py-formencode
     - tvb-framework ^binutils+ld+gold
     - pynn-brainscales@2.0-rc8 ^log4cxx@0.10.0 ^googletest@1.11.0:+gmock
-    #- hxtorch@2.0-rc6 ^log4cxx@0.10.0 ^googletest@1.11.0:+gmock
+    - hxtorch@2.0-rc8 ^log4cxx@0.10.0 ^googletest@1.11.0:+gmock
     - py-neo
     #- py-cerebstats
     #- py-cerebunit