diff --git a/extra/webapps/calculator/calculator.factor b/extra/webapps/calculator/calculator.factor
index f1416fb02d..d19946d39b 100644
--- a/extra/webapps/calculator/calculator.factor
+++ b/extra/webapps/calculator/calculator.factor
@@ -33,7 +33,7 @@ TUPLE: calculator < dispatcher ;
 ! Deployment example
 USING: db.sqlite furnace.alloy namespaces http.server ;
 
-: calculator-db ( -- params db ) "calculator.db" sqlite-db ;
+: calculator-db ( -- db ) "calculator.db" <sqlite-db> ;
 
 : run-calculator ( -- )
     <calculator>