diff --git a/apps/messages/app.js b/apps/messages/app.js
index 6feda9494..282a2b125 100644
--- a/apps/messages/app.js
+++ b/apps/messages/app.js
@@ -92,6 +92,7 @@ function getMessageImage(msg) {
   if (s=="skype") return atob("GhoBB8AAB//AA//+Af//wH//+D///w/8D+P8Afz/DD8/j4/H4fP5/A/+f4B/n/gP5//B+fj8fj4/H8+DB/PwA/x/A/8P///B///gP//4B//8AD/+AAA+AA==");
   if (s=="slack") return atob("GBiBAAAAAAAAAABAAAHvAAHvAADvAAAPAB/PMB/veD/veB/mcAAAABzH8B3v+B3v+B3n8AHgAAHuAAHvAAHvAADGAAAAAAAAAAAAAA==");
   if (s=="sms message") return getNotificationImage();
+  if (s=="threema") return atob("GBjB/4Yx//8AAAAAAAAAAAAAfgAB/4AD/8AH/+AH/+AP//AP2/APw/APw/AHw+AH/+AH/8AH/4AH/gAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=");
   if (s=="twitter") return atob("GhYBAABgAAB+JgA/8cAf/ngH/5+B/8P8f+D///h///4f//+D///g///wD//8B//+AP//gD//wAP/8AB/+AB/+AH//AAf/AAAYAAA");
   if (s=="telegram") return atob("GBiBAAAAAAAAAAAAAAAAAwAAHwAA/wAD/wAf3gD/Pgf+fh/4/v/z/P/H/D8P/Acf/AM//AF/+AF/+AH/+ADz+ADh+ADAcAAAMAAAAA==");
   if (s=="whatsapp") return atob("GBiBAAB+AAP/wAf/4A//8B//+D///H9//n5//nw//vw///x///5///4///8e//+EP3/APn/wPn/+/j///H//+H//8H//4H//wMB+AA==");
@@ -120,6 +121,7 @@ function getMessageImageCol(msg,def) {
     "outlook mail": "#0072c6",
     "skype": "#00aff0",
     "slack": "#e51670",
+    "threema": "#000",
     "telegram": "#0088cc",
     "twitter": "#1da1f2",
     "whatsapp": "#4fce5d",