diff --git a/britney.conf b/britney.conf
index ebb35b5..7ebef59 100644
--- a/britney.conf
+++ b/britney.conf
@@ -30,6 +30,9 @@ STATE_DIR          = /srv/release.debian.org/britney/state
 # if you're not in this list, arch: all packages are allowed to break on you
 NOBREAKALL_ARCHES = i386 amd64
 
+# primary architecture used for checking Build-Depends-Indep
+ALL_BUILDARCH     = amd64
+
 # if you're in this list, your packages may not stay in sync with the source
 OUTOFSYNC_ARCHES  =