diff --git a/tools/catalyst-auto-s390.conf b/tools/catalyst-auto-s390.conf
index 42d49baa..13810624 100644
--- a/tools/catalyst-auto-s390.conf
+++ b/tools/catalyst-auto-s390.conf
@@ -4,7 +4,7 @@
 UPLOAD_USER=s390
 UPLOAD_KEY=/root/.ssh/id_rsa
 SPECS_DIR=${REPO_DIR}/releases/specs/s390/s390
-SUBARCH=`grep subarch $SPECS_DIR/stage1.spec | awk '{print $2}'`
+SUBARCH=s390
 
 SETS="openrc systemd"