diff --git a/local-sbin/sign-boot b/local-sbin/sign-boot
index 6e6f75c..c027e8f 100755
--- a/local-sbin/sign-boot
+++ b/local-sbin/sign-boot
@@ -1,4 +1,8 @@
 #!/bin/bash
+if [ -f /run/signing ]; then
+  echo "[-] Signing already in progress!";
+fi;
+/usr/bin/touch /run/signing;
 echo "[*] Preparing to sign!";
 #touch /dev/shm/sb-passpwd.txt;
 #chown root:root /dev/shm/sb-passpwd.txt;
@@ -38,4 +42,5 @@ do
   /usr/bin/gpg --batch --detach-sign $i;
 done;
 #shred /dev/shm/sb-passpwd.txt;
+/usr/bin/rm -f /run/signing;
 echo "[*] Signing Complete!";