diff --git a/basis/specialized-arrays/prettyprint/prettyprint.factor b/basis/specialized-arrays/prettyprint/prettyprint.factor
index ac7c705c8a..38e4db692f 100644
--- a/basis/specialized-arrays/prettyprint/prettyprint.factor
+++ b/basis/specialized-arrays/prettyprint/prettyprint.factor
@@ -11,5 +11,5 @@ IN: specialized-arrays.prettyprint
          [ pprint* ] tri@
      ] pprint-prefix ;
 
-M: specialized-array pprint*
+M: specialized-array-mixin pprint*
     [ pprint-object ] [ pprint-direct-array ] pprint-c-object ;
diff --git a/basis/specialized-vectors/specialized-vectors.factor b/basis/specialized-vectors/specialized-vectors.factor
index 16b905ce75..b9d7537d4a 100644
--- a/basis/specialized-vectors/specialized-vectors.factor
+++ b/basis/specialized-vectors/specialized-vectors.factor
@@ -18,7 +18,10 @@ FROM: specialized-arrays.private => nth-c-ptr direct-like ;
 
 SPECIALIZED-ARRAY: ${T}
 
+<<
+! For >foo-vector to be defined in time
 SPECIAL-VECTOR: ${T}
+>>
 
 SYNTAX: ${T}-vector{ \ } [ >${T}-vector ] parse-literal ;