diff --git a/basis/math/vectors/simd/simd.factor b/basis/math/vectors/simd/simd.factor
index 036ff22f78..b7b244de12 100644
--- a/basis/math/vectors/simd/simd.factor
+++ b/basis/math/vectors/simd/simd.factor
@@ -230,6 +230,8 @@ BOA-EFFECT define-inline
 M: A pprint-delims drop \ A{ \ } ;
 SYNTAX: A{ \ } [ >A ] parse-literal ;
 
+INSTANCE: A sequence
+
 c:<c-type>
     byte-array >>class
     A >>boxed-class
@@ -249,8 +251,6 @@ PRIVATE>
 
 >>
 
-INSTANCE: simd-128 sequence
-
 ! SIMD instances
 
 SIMD-128: char-16