diff --git a/basis/bit-sets/bit-sets.factor b/basis/bit-sets/bit-sets.factor
index f0d366e7ed..495180c094 100644
--- a/basis/bit-sets/bit-sets.factor
+++ b/basis/bit-sets/bit-sets.factor
@@ -7,7 +7,7 @@ IN: bit-sets
 TUPLE: bit-set { table bit-array read-only } ;
 
 : <bit-set> ( capacity -- bit-set )
-    <bit-array> bit-set boa ;
+    <bit-array> bit-set boa ; inline
 
 INSTANCE: bit-set set