diff --git a/basis/gdk/pixbuf/ffi/ffi.factor b/basis/gdk/pixbuf/ffi/ffi.factor
index 2a4f64f042..79c9cb8a35 100644
--- a/basis/gdk/pixbuf/ffi/ffi.factor
+++ b/basis/gdk/pixbuf/ffi/ffi.factor
@@ -2,7 +2,7 @@
 ! See http://factorcode.org/license.txt for BSD license.
 USING: alien alien.data alien.libraries alien.syntax
 combinators gio.ffi glib.ffi gmodule.ffi gobject-introspection
-gobject.ffi kernel libc sequences system ;
+gobject.ffi kernel libc sequences system vocabs.loader ;
 EXCLUDE: alien.c-types => pointer ;
 IN: gdk.pixbuf.ffi
 
diff --git a/basis/glib/ffi/ffi.factor b/basis/glib/ffi/ffi.factor
index 3d7abd3935..79428a05ff 100644
--- a/basis/glib/ffi/ffi.factor
+++ b/basis/glib/ffi/ffi.factor
@@ -1,8 +1,9 @@
 ! Copyright (C) 2010 Anton Gorenko.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: alien alien.destructors alien.libraries alien.syntax
-combinators io.encodings.utf8 kernel gobject-introspection
-gobject-introspection.standard-types system ;
+USING: accessors alien alien.destructors alien.libraries
+alien.strings alien.syntax combinators io.encodings.utf8 kernel
+gobject-introspection gobject-introspection.standard-types
+system ;
 IN: glib.ffi
 
 LIBRARY: glib