diff --git a/dev-util/gtk_doc/gtk_doc-1.20.recipe b/dev-util/gtk_doc/gtk_doc-1.20.recipe
index c0a69713d..53e44a96d 100644
--- a/dev-util/gtk_doc/gtk_doc-1.20.recipe
+++ b/dev-util/gtk_doc/gtk_doc-1.20.recipe
@@ -8,7 +8,7 @@ HOMEPAGE="http://www.gtk.org/gtk-doc/"
 SRC_URI="http://ftp.gnome.org/pub/GNOME/sources/gtk-doc/$portVersion/gtk-doc-$portVersion.tar.xz"
 CHECKSUM_SHA256="3e6ecf134dbf92a74c24d79848fea3a48e59ab95408a38c6405905d95a293011"
 REVISION="1"
-ARCHITECTURES="x86_gcc2"
+ARCHITECTURES="x86_gcc2 x86 x86_64"
 PROVIDES="
 	gtk_doc = $portVersion
 	cmd:gtkdoc_check