diff --git a/misc/build.func b/misc/build.func
index 942634e..5736fc7 100644
--- a/misc/build.func
+++ b/misc/build.func
@@ -963,6 +963,11 @@ start() {
 build_container() {
   #  if [ "$VERBOSE" == "yes" ]; then set -x; fi
 
+  if ! command -v pveversion >/dev/null 2>&1; then
+    echo -e "${INFO}${YW} build_container() skipped – not running on Proxmox${CL}"
+    return 0
+  fi
+
   if [ "$CT_TYPE" == "1" ]; then
     FEATURES="keyctl=1,nesting=1"
   else
@@ -1105,6 +1110,9 @@ EOF'
 
 # This function sets the description of the container.
 description() {
+  if ! command -v pveversion >/dev/null 2>&1; then
+    return 0
+  fi
   IP=$(pct exec "$CTID" ip a s dev eth0 | awk '/inet / {print $2}' | cut -d/ -f1)
 
   # Generate LXC Description