diff --git a/extra/fuel/fuel.factor b/extra/fuel/fuel.factor
index a3fa95a6b1..b62fc2bed2 100644
--- a/extra/fuel/fuel.factor
+++ b/extra/fuel/fuel.factor
@@ -7,7 +7,7 @@ eval help io io.files io.pathnames io.streams.string kernel
 lexer listener listener.private make math memoize namespaces
 parser prettyprint prettyprint.config quotations sequences sets
 sorting source-files strings tools.vocabs vectors vocabs
-vocabs.loader vocabs.parser ;
+vocabs.loader vocabs.parser summary ;
 
 IN: fuel