diff --git a/usr/lib/dracut/modules.d/40sdmem-security-misc/README.md b/usr/lib/dracut/modules.d/40sdmem-security-misc/README.md
index 3ae2595..9de79d3 100644
--- a/usr/lib/dracut/modules.d/40sdmem-security-misc/README.md
+++ b/usr/lib/dracut/modules.d/40sdmem-security-misc/README.md
@@ -1,4 +1,7 @@
-### Make sure sdmem is part of the initramfs
-sudo apt-get install secure-delete 
+### Make sure sdmem and dmsetup is part of the initramfs
+
+sudo apt update
+
+sudo apt --no-install-recommends install secure-delete dmsetup
 
 sudo dracut --include /usr/bin/sdmem /bin/sdmem --force
diff --git a/usr/lib/dracut/modules.d/40sdmem-security-misc/module-setup.sh b/usr/lib/dracut/modules.d/40sdmem-security-misc/module-setup.sh
index 6d5c4c5..c70ec9a 100755
--- a/usr/lib/dracut/modules.d/40sdmem-security-misc/module-setup.sh
+++ b/usr/lib/dracut/modules.d/40sdmem-security-misc/module-setup.sh
@@ -1,19 +1,19 @@
 #!/bin/bash
 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
 # ex: ts=8 sw=4 sts=4 et filetype=sh
+
 check() {
-return 0
+    return 0
 }
 
 depends() {
-return 0
+    return 0
 }
 
 install() {
-inst_hook shutdown 40 "$moddir/wipe.sh"
+    inst_hook shutdown 40 "$moddir/wipe.sh"
 }
 
 installkernel() {
-return 0
+    return 0
 }
-