diff --git a/usr/lib/dracut/modules.d/40cold-boot-attack-defense/module-setup.sh b/usr/lib/dracut/modules.d/40cold-boot-attack-defense/module-setup.sh
index 388649e..0d72a11 100755
--- a/usr/lib/dracut/modules.d/40cold-boot-attack-defense/module-setup.sh
+++ b/usr/lib/dracut/modules.d/40cold-boot-attack-defense/module-setup.sh
@@ -11,9 +11,10 @@
 
 # called by dracut
 check() {
+    require_binaries sync || return 1
     require_binaries sleep || return 1
-    require_binaries dmsetup || return 1
     require_binaries sdmem || return 1
+    require_binaries dmsetup || return 1
     require_binaries systemd-detect-virt || return 1
     return 0
 }
@@ -25,6 +26,7 @@ depends() {
 
 # called by dracut
 install() {
+    inst_multiple sync
     inst_multiple sleep
     inst_multiple sdmem
     inst_multiple dmsetup