diff --git a/guix/import/pypi.scm b/guix/import/pypi.scm
index d0e776e..da8bd04 100644
--- a/guix/import/pypi.scm
+++ b/guix/import/pypi.scm
@@ -23,7 +23,7 @@
   #:use-module (ice-9 regex)
   #:use-module (srfi srfi-1)
   #:use-module (rnrs bytevectors)
-  #:use-module (json)
+  #:autoload   (json) (json->scm)
   #:use-module (web uri)
   #:use-module (guix utils)
   #:use-module (guix import utils)