diff --git a/misc/build.func b/misc/build.func
index a57b21ca..82fdd2bb 100644
--- a/misc/build.func
+++ b/misc/build.func
@@ -620,6 +620,10 @@ advanced_settings() {
 
   if [[ "${SSH}" == "yes" ]]; then
     SSH_AUTHORIZED_KEY="$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "SSH Authorized key for root (leave empty for none)" 8 58 --title "SSH Key" 3>&1 1>&2 2>&3)"
+  
+    if [[ -z "${SSH_AUTHORIZED_KEY}" ]]; then
+      echo "Warning: No SSH key provided."
+    fi
   fi
 
   if (whiptail --backtitle "Proxmox VE Helper Scripts" --defaultno --title "VERBOSE MODE" --yesno "Enable Verbose Mode?" 10 58); then