diff --git a/gnu/packages/gnome.scm b/gnu/packages/gnome.scm
index d9a22b41bb..1ff9e85957 100644
--- a/gnu/packages/gnome.scm
+++ b/gnu/packages/gnome.scm
@@ -484,6 +484,7 @@ (define-public gtkglext
     (build-system gnu-build-system)
     (inputs `(("gtk+" ,gtk+-2)
               ("mesa" ,mesa)
+              ("glu" ,glu)
               ("libx11" ,libx11)
               ("libxt" ,libxt)))
     (native-inputs `(("pkg-config" ,pkg-config)