diff --git a/app/Helpers/Mail/GmailTransport.php b/app/Helpers/Mail/GmailTransport.php
index b22c8b0d86c0..81182b44d27d 100644
--- a/app/Helpers/Mail/GmailTransport.php
+++ b/app/Helpers/Mail/GmailTransport.php
@@ -64,7 +64,7 @@ class GmailTransport extends Transport
             nlog("trying to attach");
             nlog($child->getContentType());
             
-            if($child->getContentType() == 'multipart/related')
+            if($child->getContentType() != 'text/plain')
                 $this->gmail->attach($child);