diff --git a/guix/derivations.scm b/guix/derivations.scm
index b1ba573190..69cef1a4cd 100644
--- a/guix/derivations.scm
+++ b/guix/derivations.scm
@@ -37,6 +37,7 @@ (define-module (guix derivations)
             derivation-inputs
             derivation-sources
             derivation-system
+            derivation-builder
             derivation-builder-arguments
             derivation-builder-environment-vars
             derivation-file-name