diff --git a/glicid/services/parallel.scm b/glicid/services/parallel.scm
index f4959ba..518f8ec 100644
--- a/glicid/services/parallel.scm
+++ b/glicid/services/parallel.scm
@@ -5,6 +5,7 @@
   #:use-module (guix records)
   #:use-module (ice-9 match)
   #:use-module (gnu packages parallel)
+  #:use-module (glicid system file-systems)
   #:export (
     munged-configuration
     munged-configuration?