diff --git a/glicid/services/file-systems.scm b/glicid/services/file-systems.scm
index af869d8..852420a 100644
--- a/glicid/services/file-systems.scm
+++ b/glicid/services/file-systems.scm
@@ -2,6 +2,7 @@
   #:use-module (gnu services)
   #:use-module (gnu services shepherd)
   #:use-module (guix)
+  #:use-module (guix gexp)
   #:use-module (guix records)
   #:use-module (ice-9 match)
   #:use-module (gnu packages file-systems)
diff --git a/glicid/services/parallel.scm b/glicid/services/parallel.scm
index e4029c4..caceca3 100644
--- a/glicid/services/parallel.scm
+++ b/glicid/services/parallel.scm
@@ -2,6 +2,7 @@
   #:use-module (gnu services)
   #:use-module (gnu services shepherd)
   #:use-module (guix)
+  #:use-module (guix gexp)
   #:use-module (guix records)
   #:use-module (ice-9 match)
   #:use-module (gnu packages parallel)