diff --git a/gutenprint.scm b/gutenprint.scm
index 9cc659c..fe85e47 100644
--- a/gutenprint.scm
+++ b/gutenprint.scm
@@ -1,24 +1,25 @@
-(use-modules (guix packages)
-	     (guix download)
-	     (guix utils)
-             (gnu services mail)
-             (gnu services virtualization)
-             (guix profiles)
-	     (gnu packages python-xyz)
-	     (gnu packages qt)
-	     (gnu packages cups)
-	     (gnu packages perl)
-	     (gnu packages scanner)
-	     (gnu packages time)
-	     (gnu packages tls)
-	     (guix build-system cmake)
-	     (guix build-system gnu)
-	     (gnu packages admin)
-             (gnu packages commencement)
-             (gnu packages mail)
-             (gnu packages terminals)
-	     ((guix licenses) #:prefix license:)
-             (gnu services cups))
+(define-module (gutenprint)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix utils)
+  #:use-module (gnu services mail)
+  #:use-module (gnu services virtualization)
+  #:use-module (guix profiles)
+  #:use-module (gnu packages python-xyz)
+  #:use-module (gnu packages qt)
+  #:use-module (gnu packages cups)
+  #:use-module (gnu packages perl)
+  #:use-module (gnu packages scanner)
+  #:use-module (gnu packages time)
+  #:use-module (gnu packages tls)
+  #:use-module (guix build-system cmake)
+  #:use-module (guix build-system gnu)
+  #:use-module (gnu packages admin)
+  #:use-module (gnu packages commencement)
+  #:use-module (gnu packages mail)
+  #:use-module (gnu packages terminals)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (gnu services cups))
 
 (define-public gutenprint
   (package