diff --git a/gnu/packages/gl.scm b/gnu/packages/gl.scm
index b760a5e8a6..2a6437c562 100644
--- a/gnu/packages/gl.scm
+++ b/gnu/packages/gl.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2013 Andreas Enge <andreas@enge.fr>
+;;; Copyright © 2013, 2015 Andreas Enge <andreas@enge.fr>
 ;;; Copyright © 2013 Joshua Grant <tadni@riseup.net>
 ;;; Copyright © 2014 David Thompson <davet@gnu.org>
 ;;; Copyright © 2014, 2015 Mark H Weaver <mhw@netris.org>
@@ -54,7 +54,8 @@ (define-public glu
 	     (sha256
 	      (base32 "0r72yyhj09x3krn3kn629jqbwyq50ji8w5ri2pn6zwrk35m4g1s3"))))
     (build-system gnu-build-system)
-    (inputs `(("mesa" ,mesa)))
+    (propagated-inputs
+      `(("mesa" ,mesa))) ; according to glu.pc
     (home-page "http://www.opengl.org/archives/resources/faq/technical/glu.htm")
     (synopsis "Mesa OpenGL Utility library")
     (description