diff --git a/gnu/packages/glicid.scm b/gnu/packages/glicid.scm
index 6d83c6c..60e1dd9 100644
--- a/gnu/packages/glicid.scm
+++ b/gnu/packages/glicid.scm
@@ -31,6 +31,7 @@
   #:use-module (gnu packages tls)
   #:use-module (gnu packages commencement)
   #:use-module (gnu packages gcc)
+  #:use-module (gnu packages chemistry)
   #:use-module (srfi srfi-1)
   #:use-module (gnu packages mpi)
   #:use-module (gnu packages web))