diff --git a/init.el b/init.el
index d51fe95..7d18b0d 100644
--- a/init.el
+++ b/init.el
@@ -225,7 +225,7 @@
 
 (use-package mm-decode
   :custom
-  (mm-discouraged-alternatives '("text/html")))
+  (mm-discouraged-alternatives '("image/.*" "text/html" "text/richtext")))
 
 (use-package mu4e
   :if (package-installed-p 'mu4e)