diff --git a/usr/share/archboot/installer/setup b/usr/share/archboot/installer/setup
index 781925185..1e7211f62 100755
--- a/usr/share/archboot/installer/setup
+++ b/usr/share/archboot/installer/setup
@@ -1504,7 +1504,9 @@ ROOTFS="$(blkid -c /dev/null $PART_ROOT -o value -s TYPE)"
 }
 
 getraidarrays() {
-RAIDARRAYS="$(echo -n $(cat /proc/mdstat 2>/dev/null | grep ^md | sed -e 's#\[[0-9]\]##g' -e 's# :.* raid[0-9]##g' -e 's#md#md=#g' -e 's# #,/dev/#g' -e 's#_##g'))"
+    if ! [ "$(grep ^ARRAY $DESTDIR/etc/mdadm.conf)" ]; then
+        RAIDARRAYS="$(echo -n $(cat /proc/mdstat 2>/dev/null | grep ^md | sed -e 's#\[[0-9]\]##g' -e 's# :.* raid[0-9]##g' -e 's#md#md=#g' -e 's# #,/dev/#g' -e 's#_##g'))"
+    fi
 }
 
 dolilo() {