diff --git a/gnu/services/xorg.scm b/gnu/services/xorg.scm
index 5236573a39..c813f0fb1e 100644
--- a/gnu/services/xorg.scm
+++ b/gnu/services/xorg.scm
@@ -96,6 +96,7 @@ Section \"Files\"
   ModulePath \"" xf86-video-intel "/lib/xorg/modules/drivers\"
   ModulePath \"" xf86-video-mach64 "/lib/xorg/modules/drivers\"
   ModulePath \"" xf86-video-nv "/lib/xorg/modules/drivers\"
+  ModulePath \"" xf86-video-sis "/lib/xorg/modules/drivers\"
   ModulePath \"" xf86-input-keyboard "/lib/xorg/modules/input\"
   ModulePath \"" xf86-input-mouse "/lib/xorg/modules/input\"
   ModulePath \"" xf86-input-synaptics "/lib/xorg/modules/input\"