diff --git a/api/templates/default/images/dhtmlxtree/thunderbird.svg b/api/templates/default/images/dhtmlxtree/thunderbird.svg
index c88f3bc0e7..bf92f39f25 100644
--- a/api/templates/default/images/dhtmlxtree/thunderbird.svg
+++ b/api/templates/default/images/dhtmlxtree/thunderbird.svg
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <svg version="1.1" width="32" height="32" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg">
- <path d="M16 2a3.1 3.1 0 0 0-2.156.873L.37 15.913A1.216 1.215 0 0 0 1.216 18H4v12h9V20h6v10h8.999V18h2.785a1.216 1.215 0 0 0 .846-2.088L18.156 2.873A3.1 3.1 0 0 0 16 2z" fill="#62686a"/>
+ <path d="M16 2a3.1 3.1 0 0 0-2.156.875L.374 15.91c-.787.759-.25 2.09.843 2.09h3.775v12h10.007v-9.5H17V30h10.007V18h3.775c1.092 0 1.63-1.331.844-2.09L18.155 2.875A3.103 3.103 0 0 0 15.999 2zm10.368 13h-2.362v12h-4.003v-7.5c0-1.087-.914-2-2.002-2h-4.003a2.024 2.024 0 0 0-2.001 2V27H7.994V15.002L5.633 15 16 5z" fill="#62686a" />
 </svg>