diff --git a/lib/logstash/inputs/elasticsearch.rb b/lib/logstash/inputs/elasticsearch.rb
index 1319d7f..98225cb 100644
--- a/lib/logstash/inputs/elasticsearch.rb
+++ b/lib/logstash/inputs/elasticsearch.rb
@@ -381,6 +381,7 @@ def validate_authentication
   end
 
   def setup_ssl
+    @ssl = true if @hosts.any? {|h| h.scheme == "https" }
     @ssl && @ca_file ? { :ssl  => true, :ca_file => @ca_file } : {}
   end