diff --git a/lib/discourse_ip_info.rb b/lib/discourse_ip_info.rb
index e2eb43252b3..cefeaa64b47 100644
--- a/lib/discourse_ip_info.rb
+++ b/lib/discourse_ip_info.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'maxminddb'
 require 'resolv'
 
@@ -28,6 +30,7 @@ class DiscourseIpInfo
 
   def lookup(ip, locale: :en, resolve_hostname: false)
     ret = {}
+    return ret if ip.blank?
 
     if @loc_mmdb
       begin