diff --git a/lib/fog/aws/requests/auto_scaling/create_auto_scaling_group.rb b/lib/fog/aws/requests/auto_scaling/create_auto_scaling_group.rb
index a881d9bcd..62bdb00e1 100644
--- a/lib/fog/aws/requests/auto_scaling/create_auto_scaling_group.rb
+++ b/lib/fog/aws/requests/auto_scaling/create_auto_scaling_group.rb
@@ -72,11 +72,9 @@ module Fog
           end
 
           if tags = options.delete('Tags')
-            tags.each_with_index do |(key, value), i|
-              options["Tags.member.#{i+1}.Key"] = key.to_s # turns symbol into string
-              options["Tags.member.#{i+1}.Value"] = value
-            end
+            options.merge!(AWS.indexed_param("Tags.member.%d", [*tags]))
           end
+
           if termination_policies = options.delete('TerminationPolicies')
             options.merge!(AWS.indexed_param('TerminationPolicies.member.%d', [*termination_policies]))
           end