diff --git a/modules.d/90dmraid/parse-dm.sh b/modules.d/90dmraid/parse-dm.sh
index f0315696..63780bd1 100755
--- a/modules.d/90dmraid/parse-dm.sh
+++ b/modules.d/90dmraid/parse-dm.sh
@@ -3,3 +3,9 @@ if getarg rd_NO_DM || getarg nodmraid; then
     info "rd_NO_DM: removing DM RAID activation"
     udevproperty rd_NO_DM=1
 fi
+
+if [ ! -x /sbin/mdadm ] || getarg rd_NO_MDIMSM || getarg noiswmd; then
+    info "rd_NO_MDIMSM: no MD RAID for imsm/isw raids"
+    udevproperty rd_NO_MDIMSM=1
+fi
+