diff --git a/package/base-files/files/bin/config_generate b/package/base-files/files/bin/config_generate
index 3bc09db73e..748e442a60 100755
--- a/package/base-files/files/bin/config_generate
+++ b/package/base-files/files/bin/config_generate
@@ -20,6 +20,7 @@ generate_static_network() {
 			uci -q batch <<-EOF
 				delete network.globals
 				set network.globals='globals'
+				set network.globals.ula_prefix='auto'
 			EOF
 		}