diff --git a/misc/build.func b/misc/build.func
index 5c62247..3780a9a 100644
--- a/misc/build.func
+++ b/misc/build.func
@@ -876,7 +876,7 @@ dialog_input() {
     local prompt="$2"
     local default="$3"
     local result
-
+    apt-get install -y dialog
     result=$(dialog --backtitle "[dev] Proxmox VE Helper Scripts" \
         --title "$title" \
         --extra-button --extra-label "Back" \