diff --git a/misc/build.func b/misc/build.func
index 9eab63253..e5e0087df 100644
--- a/misc/build.func
+++ b/misc/build.func
@@ -1057,7 +1057,9 @@ EOF
   msg_info "Starting LXC Container"
   pct start "$CTID"
   msg_ok "Started LXC Container"
+
   msg_info "Customizing LXC Container"
+  : "${tz:=Etc/UTC}"
   if [ "$var_os" == "alpine" ]; then
     sleep 3
     pct exec "$CTID" -- /bin/sh -c 'cat <<EOF >/etc/apk/repositories
@@ -1067,21 +1069,23 @@ EOF'
     pct exec "$CTID" -- ash -c "apk add bash newt curl openssh nano mc ncurses >/dev/null"
   else
     sleep 3
-    # Set locale and timezone before update
     pct exec "$CTID" -- bash -c "sed -i '/$LANG/ s/^# //' /etc/locale.gen"
     pct exec "$CTID" -- bash -c "locale_line=\$(grep -v '^#' /etc/locale.gen | grep -E '^[a-zA-Z]' | awk '{print \$1}' | head -n 1) && \
     echo LANG=\$locale_line >/etc/default/locale && \
     locale-gen >/dev/null && \
     export LANG=\$locale_line"
 
-    pct exec "$CTID" -- bash -c "echo $tz >/etc/timezone && ln -sf /usr/share/zoneinfo/$tz /etc/localtime"
+    if pct exec "$CTID" -- test -e "/usr/share/zoneinfo/$tz"; then
+      pct exec "$CTID" -- bash -c "echo $tz >/etc/timezone && ln -sf /usr/share/zoneinfo/$tz /etc/localtime"
+    else
+      msg_info "Skipping timezone setup – zone '$tz' not found in container"
+    fi
 
-    # Install curl
     pct exec "$CTID" -- bash -c "apt-get update >/dev/null && apt-get install -y sudo curl mc gnupg2 >/dev/null"
   fi
   msg_ok "Customized LXC Container"
-  lxc-attach -n "$CTID" -- bash -c "$(curl -fsSL https://git.community-scripts.org/community-scripts/ProxmoxVED/raw/branch/main/install/$var_install.sh)" $?
 
+  lxc-attach -n "$CTID" -- bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/install/"$var_install".sh)" $?
 }
 
 # This function sets the description of the container.