diff --git a/extra/random/mersenne-twister/mersenne-twister.factor b/extra/random/mersenne-twister/mersenne-twister.factor
index 4c4bc8286f..ce1749ce62 100755
--- a/extra/random/mersenne-twister/mersenne-twister.factor
+++ b/extra/random/mersenne-twister/mersenne-twister.factor
@@ -10,7 +10,7 @@ IN: random.mersenne-twister
 <PRIVATE
 
 : curry2 ( w quot1 quot2 -- quot1 quot2 )
-    >r over r> [ curry ] 2bi@ ;
+    >r over r> [ curry ] 2bi@ ; inline
 
 TUPLE: mersenne-twister seq i ;