diff --git a/basis/alien/complex/complex.factor b/basis/alien/complex/complex.factor
index 079ad57aa5..c80ead73f0 100644
--- a/basis/alien/complex/complex.factor
+++ b/basis/alien/complex/complex.factor
@@ -1,6 +1,6 @@
 ! Copyright (C) 2009 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: alien.c-types alien.complex.functor accessors
+USING: alien.c-types alien.structs alien.complex.functor accessors
 sequences kernel ;
 IN: alien.complex
 
diff --git a/basis/alien/structs/structs.factor b/basis/alien/structs/structs.factor
index 3e26e4fb39..ec9080690a 100755
--- a/basis/alien/structs/structs.factor
+++ b/basis/alien/structs/structs.factor
@@ -3,7 +3,7 @@
 USING: accessors arrays assocs generic hashtables kernel kernel.private
 math namespaces parser sequences strings words libc fry
 alien.c-types alien.structs.fields cpu.architecture math.order
-quotations ;
+quotations byte-arrays ;
 IN: alien.structs
 
 TUPLE: struct-type
@@ -20,7 +20,7 @@ M: struct-type c-type ;
 
 M: struct-type heap-size size>> ;
 
-M: struct-type c-type-class drop object ;
+M: struct-type c-type-class drop byte-array ;
 
 M: struct-type c-type-align align>> ;