diff --git a/first_scan.sh b/first_scan.sh
index 24a2569..b8437a3 100755
--- a/first_scan.sh
+++ b/first_scan.sh
@@ -25,6 +25,7 @@ echo "[+] Scanning for open ports…"
 PORTS=$(nmap -p- --min-rate=1000 -T4 ${IP_ADDRESS} | grep ^[0-9] | cut -d '/' -f 1 | tr '\n' ',' | sed s/,$//)
 if [ -z "${PORTS}" ]; then
     echo "[-] No open ports found"
+    exit
 fi
 
 echo "[+] Open ports: ${PORTS}"
diff --git a/util.py b/util.py
index 585353f..54239ab 100644
--- a/util.py
+++ b/util.py
@@ -101,7 +101,7 @@ if __name__ == "__main__":
 
     command = sys.argv[1]
     if command == "getAddress":
-        if len(sys.argv) >= 2:
+        if len(sys.argv) >= 3:
             print(getAddress(sys.argv[2]))
         else:
             print(getAddress())