diff --git a/basis/fonts/fonts.factor b/basis/fonts/fonts.factor
index 5389fc73d1..ab71e2a1a4 100644
--- a/basis/fonts/fonts.factor
+++ b/basis/fonts/fonts.factor
@@ -4,7 +4,7 @@ USING: accessors colors.constants combinators kernel math ;
 IN: fonts
 
 CONSTANT: default-serif-font-name "serif"
-CONSTANT: default-sans-serif-font-name "sans serif"
+CONSTANT: default-sans-serif-font-name "sans-serif"
 CONSTANT: default-monospace-font-name "monospace"
 
 CONSTANT: default-font-size 12