diff --git a/gnu/packages/glicid.scm b/gnu/packages/glicid.scm
index 90bd4f8..031b650 100644
--- a/gnu/packages/glicid.scm
+++ b/gnu/packages/glicid.scm
@@ -57,6 +57,8 @@
   #:use-module (gnu packages maths)     
   #:use-module (guix utils)
   #:use-module (gnu packages cmake)
+  #:use-module  (gnu packages pretty-print)
+  #:use-module (gnu packages boost)
   #:use-module (gnu packages virtualization)