diff --git a/alarm/libbcm2835/PKGBUILD b/alarm/libbcm2835/PKGBUILD
index 6d49fee68..b60d6ac2a 100644
--- a/alarm/libbcm2835/PKGBUILD
+++ b/alarm/libbcm2835/PKGBUILD
@@ -1,6 +1,6 @@
 # Maintainer: <nico.nell@gmail.com>
 
-buildarch=16
+buildarch=20
 
 _pkgbasename=bcm2835
 pkgname=libbcm2835