diff --git a/gnu/packages/cmake.scm b/gnu/packages/cmake.scm
index eba7a92c04..258ea9c638 100644
--- a/gnu/packages/cmake.scm
+++ b/gnu/packages/cmake.scm
@@ -28,6 +28,7 @@ (define-module (gnu packages cmake)
   #:use-module (guix download)
   #:use-module (guix utils)
   #:use-module (guix build-system gnu)
+  #:use-module (guix build-system emacs)
   #:use-module (gnu packages)
   #:use-module (gnu packages backup)
   #:use-module (gnu packages compression)