diff --git a/monitoring/scripts/homelab-audit.sh b/monitoring/scripts/homelab-audit.sh
index 9199fba..308f508 100755
--- a/monitoring/scripts/homelab-audit.sh
+++ b/monitoring/scripts/homelab-audit.sh
@@ -27,10 +27,15 @@ DISK_WARN=80
 DISK_CRIT=90
 LOAD_WARN=2.0
 MEM_WARN=85
+ZOMBIE_WARN=1
 
 while [[ $# -gt 0 ]]; do
   case "$1" in
     --output-dir)
+      if [[ $# -lt 2 ]]; then
+        echo "Error: --output-dir requires an argument" >&2
+        exit 1
+      fi
       REPORT_DIR="$2"
       shift 2
       ;;
@@ -179,7 +184,7 @@ parse_and_report() {
         ;;
       ZOMBIES=*)
         local zombies="${line#ZOMBIES=}"
-        if [[ -n "$zombies" ]] && ((zombies > 0)); then
+        if [[ -n "$zombies" ]] && ((zombies >= ZOMBIE_WARN)); then
           echo "WARN  $label: ${zombies} zombie process(es)" >>"$FINDINGS_FILE"
         fi
         ;;