diff --git a/scripts/.local/bin/erase-disk.sh b/scripts/.local/bin/erase-disk.sh
index 859b5e3..f2ad2e0 100755
--- a/scripts/.local/bin/erase-disk.sh
+++ b/scripts/.local/bin/erase-disk.sh
@@ -20,20 +20,24 @@ usage() {
     echo "be run as root."
     echo
     echo "erase-disk.sh is licensed under The Unlicense."
-
-    exit 0
 }
 
-[ "$1" = "-h" -o "$1" = "--help" ] && usage
+[ "$1" = "-h" -o "$1" = "--help" ] && usage && exit 0
 
-if [ $(id -u) -ne 0 ]; then
-    echo "This script must be run as root. Quitting..."
+if [ $# -lt 2 ]; then
+    echo "ERROR: Not enough options!"
+    echo
+    usage
     exit 1
-elif [ -z "$1" ]; then
-    echo "Please specify number of passes. Quitting..."
+elif [ $# -gt 2 ]; then
+    echo "ERROR: Too many options!"
+    echo
+    usage
     exit 1
-elif [ -z "$2" ]; then
-    echo "Please specify device to erase. Quitting..."
+elif [ $(id -u) -ne 0 ]; then
+    echo "ERROR: Must run as root!"
+    echo
+    usage
     exit 1
 fi