diff --git a/basis/ui/pixel-formats/pixel-formats-docs.factor b/basis/ui/pixel-formats/pixel-formats-docs.factor
index 6f2485d249..207b757908 100644
--- a/basis/ui/pixel-formats/pixel-formats-docs.factor
+++ b/basis/ui/pixel-formats/pixel-formats-docs.factor
@@ -1,9 +1,10 @@
 USING: destructors help.markup help.syntax kernel math multiline sequences
-vocabs.parser words ;
+vocabs vocabs.parser words ;
 IN: ui.pixel-formats
 
 ! break circular dependency
 <<
+    "ui.gadgets.worlds" create-vocab drop
     "world" "ui.gadgets.worlds" create drop
     "ui.gadgets.worlds" (use+)
 >>