diff --git a/luci-app-passwall/luasrc/passwall/util_xray.lua b/luci-app-passwall/luasrc/passwall/util_xray.lua
index 6ab30ae53..a0a6f0364 100644
--- a/luci-app-passwall/luasrc/passwall/util_xray.lua
+++ b/luci-app-passwall/luasrc/passwall/util_xray.lua
@@ -693,7 +693,7 @@ function gen_config(var)
 
 			-- fallback node
 			local fallback_node_id = _node.fallback_node
-			if fallback_node_id == "" then fallback_node_id = nil
+			if fallback_node_id == "" then fallback_node_id = nil end
 			if fallback_node_id then
 				local is_new_node = true
 				for _, outbound in ipairs(outbounds) do