diff --git a/sys-apps/which/which-2.20.recipe b/sys-apps/which/which-2.20.recipe
index acbdd52e3..8df104316 100644
--- a/sys-apps/which/which-2.20.recipe
+++ b/sys-apps/which/which-2.20.recipe
@@ -5,7 +5,7 @@ LICENSE="GNU GPL v2"
 SRC_URI="http://ftp.gnu.org/gnu/which/which-2.20.tar.gz"
 CHECKSUM_MD5="95be0501a466e515422cde4af46b2744"
 REVISION="2"
-ARCHITECTURES="x86_gcc2 x86"
+ARCHITECTURES="x86_gcc2 x86 x86_64"
 
 PATCHES="which-2.20.patch"