diff --git a/profiles/default/linux/amd64/13.0/backbone/desktop/make.defaults b/profiles/default/linux/amd64/13.0/backbone/desktop/make.defaults
index 11a1f0e1..af51e912 100644
--- a/profiles/default/linux/amd64/13.0/backbone/desktop/make.defaults
+++ b/profiles/default/linux/amd64/13.0/backbone/desktop/make.defaults
@@ -29,7 +29,7 @@ RUBY_TARGETS="ruby20"
 USE="${USE} custom-cflags graphite"
 
 # gpu
-USE="${USE} directfb dri dri2 fbcon fbcondecor fbosd opengl vaapi"
+USE="${USE} directfb dri dri2 fbcon fbcondecor fbosd opengl vaapi webgl"
 
 # fonts
 USE="${USE} cairo cleartype -lcdfilter truetype unicode"