diff --git a/binaries/postboot.sh b/binaries/postboot.sh
index 7776ded..339254a 100644
--- a/binaries/postboot.sh
+++ b/binaries/postboot.sh
@@ -1,6 +1,7 @@
 mount -uw /
 mount -uw /private/preboot
 sleep 1
+nvram auto-boot=false
 launchctl bootstrap system /Library/LaunchDaemons
 /etc/rc.d/*
 sbreload
diff --git a/binaries/postbootnosub.sh b/binaries/postbootnosub.sh
index 5ebb24c..86c0e0e 100644
--- a/binaries/postbootnosub.sh
+++ b/binaries/postbootnosub.sh
@@ -1,5 +1,6 @@
 mount -uw /
 mount -uw /private/preboot
 sleep 1
+nvram auto-boot=false
 launchctl bootstrap system /Library/LaunchDaemons
 sbreload
diff --git a/binaries/preptweaks.sh b/binaries/preptweaks.sh
index 381afcd..d072659 100644
--- a/binaries/preptweaks.sh
+++ b/binaries/preptweaks.sh
@@ -1,5 +1,6 @@
 mount -uw /
 mount -uw /private/preboot
+nvram auto-boot=false
 mkdir /work
 cd /work
 echo "Downloading bootstrap"