diff --git a/package/busybox/busybox-minimal.config b/package/busybox/busybox-minimal.config
index a7aa19ea8a..65a347756d 100644
--- a/package/busybox/busybox-minimal.config
+++ b/package/busybox/busybox-minimal.config
@@ -961,7 +961,7 @@ CONFIG_UDHCP_DEBUG=9
 CONFIG_UDHCPC_SLACK_FOR_BUGGY_SERVERS=80
 # CONFIG_FEATURE_UDHCP_RFC3397 is not set
 # CONFIG_FEATURE_UDHCP_8021Q is not set
-CONFIG_IFUPDOWN_UDHCPC_CMD_OPTIONS="-R -n"
+CONFIG_IFUPDOWN_UDHCPC_CMD_OPTIONS="-b -R"
 
 #
 # Print Utilities
diff --git a/package/busybox/busybox.config b/package/busybox/busybox.config
index 1ea810e5be..3925521f28 100644
--- a/package/busybox/busybox.config
+++ b/package/busybox/busybox.config
@@ -970,7 +970,7 @@ CONFIG_UDHCP_DEBUG=0
 CONFIG_UDHCPC_SLACK_FOR_BUGGY_SERVERS=80
 CONFIG_FEATURE_UDHCP_RFC3397=y
 CONFIG_FEATURE_UDHCP_8021Q=y
-CONFIG_IFUPDOWN_UDHCPC_CMD_OPTIONS="-R -n -O search"
+CONFIG_IFUPDOWN_UDHCPC_CMD_OPTIONS="-b -R -O search"
 
 #
 # Print Utilities