diff --git a/lib/classes/Markup.class.php b/lib/classes/Markup.class.php
index 0944f422564f3314369c66f3944a869b2f9cd29d..af298beaffae4ff888d125a218746cf90e80e467 100644
--- a/lib/classes/Markup.class.php
+++ b/lib/classes/Markup.class.php
@@ -294,6 +294,7 @@ class Markup
             h5
             h6
             hr
+            i
             img[alt|src|height|width|style]
             li
             ol