diff --git a/common/content/events.js b/common/content/events.js
index 1851fb18..929afd26 100644
--- a/common/content/events.js
+++ b/common/content/events.js
@@ -1208,7 +1208,7 @@ function Events() //{{{
                     return;
                 }
 
-                if (elem instanceof HTMLTextAreaElement || (elem && elem.contentEditable))
+                if (elem instanceof HTMLTextAreaElement || (elem && elem.contentEditable == "true"))
                 {
                     this.wantsModeReset = false;
                     if (options["insertmode"])