diff --git a/basis/alien/c-types/c-types.factor b/basis/alien/c-types/c-types.factor
index a929cba954..c25f465600 100644
--- a/basis/alien/c-types/c-types.factor
+++ b/basis/alien/c-types/c-types.factor
@@ -17,8 +17,9 @@ SYMBOLS:
     long ulong
     longlong ulonglong
     float double
-    void* bool
-    void ;
+    void* bool ;
+
+SINGLETON: void
 
 DEFER: <int>
 DEFER: *char
@@ -57,9 +58,6 @@ GENERIC: resolve-pointer-type ( name -- c-type )
 
 << \ void \ void* "pointer-c-type" set-word-prop >>
 
-: void? ( c-type -- ? )
-    { void "void" } member? ;
-
 M: word resolve-pointer-type
     dup "pointer-c-type" word-prop
     [ ] [ drop void* ] ?if ;
diff --git a/basis/alien/parser/parser.factor b/basis/alien/parser/parser.factor
index d706446799..dc0a1701f2 100644
--- a/basis/alien/parser/parser.factor
+++ b/basis/alien/parser/parser.factor
@@ -1,4 +1,4 @@
-! Copyright (C) 2008, 2009 Slava Pestov, Doug Coleman.
+! Copyright (C) 2008, 2010 Slava Pestov, Doug Coleman.
 ! See http://factorcode.org/license.txt for BSD license.
 USING: accessors alien alien.c-types alien.parser
 alien.libraries arrays assocs classes combinators
@@ -66,7 +66,7 @@ IN: alien.parser
         2 group [ first2 normalize-c-arg 2array ] map
         unzip [ "," ?tail drop ] map
     ]
-    [ [ { } ] [ 1array ] if-void ]
+    [ dup "void" = [ drop { } ] [ 1array ] if ]
     bi* <effect> ;
 
 : function-quot ( return library function types -- quot )