diff --git a/zypp.conf b/zypp.conf
index 1e84a3f..7a26548 100644
--- a/zypp.conf
+++ b/zypp.conf
@@ -17,7 +17,10 @@
 ## ** Changing this needs a full refresh (incl. download)
 ## ** of all repository data.
 ##
+## ** CAUTION: Don't change this value on yocto !
+##
 # arch = s390
+arch = @MACHINE_ARCH@
 
 
 ##