diff --git a/app/models/channel/email_parser.rb b/app/models/channel/email_parser.rb
index 0bec2c523..2e9420ca0 100644
--- a/app/models/channel/email_parser.rb
+++ b/app/models/channel/email_parser.rb
@@ -142,7 +142,7 @@ class Channel::EmailParser
           data[:body] = Encode.conv( mail.html_part.charset.to_s, data[:body] )
           data[:body] = data[:body].html2text.to_s.force_encoding('utf-8')
 
-          if !data[:body].valid_encoding?
+          if !data[:body].force_encoding("UTF-8").valid_encoding?
             data[:body] = data[:body].encode('utf-8', 'binary', :invalid => :replace, :undef => :replace, :replace => '?')
           end