diff --git a/lib/searchkick/logging.rb b/lib/searchkick/logging.rb
index f870604..9e22454 100644
--- a/lib/searchkick/logging.rb
+++ b/lib/searchkick/logging.rb
@@ -167,7 +167,7 @@ module Searchkick
 
       # no easy way to tell which host the client will use
       host = Searchkick.client.transport.hosts.first
-      debug "  #{color(name, YELLOW, true)}  curl #{host[:protocol]}://#{host[:host]}:#{host[:port]}/#{CGI.escape(index)}#{type ? "/#{type.map { |t| CGI.escape(t) }.join(',')}" : ''}/_search?pretty -d '#{payload[:query][:body].to_json}'"
+      debug "  #{color(name, YELLOW, true)}  curl #{host[:protocol]}://#{host[:host]}:#{host[:port]}/#{CGI.escape(index)}#{type ? "/#{type.map { |t| CGI.escape(t) }.join(',')}" : ''}/_search?pretty -H 'Content-Type: application/json' -d '#{payload[:query][:body].to_json}'"
     end
 
     def request(event)
@@ -189,7 +189,7 @@ module Searchkick
 
       # no easy way to tell which host the client will use
       host = Searchkick.client.transport.hosts.first
-      debug "  #{color(name, YELLOW, true)}  curl #{host[:protocol]}://#{host[:host]}:#{host[:port]}/_msearch?pretty -d '#{payload[:body]}'"
+      debug "  #{color(name, YELLOW, true)}  curl #{host[:protocol]}://#{host[:host]}:#{host[:port]}/_msearch?pretty -H 'Content-Type: application/json' -d '#{payload[:body]}'"
     end
   end
 
--
libgit2 0.21.0