diff --git a/extra/decimals/decimals.factor b/extra/decimals/decimals.factor
index f9f7ab2e2a..d8ee2d4a6c 100644
--- a/extra/decimals/decimals.factor
+++ b/extra/decimals/decimals.factor
@@ -26,7 +26,7 @@ SYNTAX: \decimal: parse-decimal suffix! ;
 
 : decimal>ratio ( decimal -- ratio ) >decimal< 10^ * ;
 
-: decimal>float ( decimal -- ratio ) decimal>ratio >float ;
+: decimal>float ( decimal -- float ) decimal>ratio >float ;
 
 : scale-mantissas ( D1 D2 -- m1 m2 exp )
     [ [ mantissa>> ] bi@ ]