diff --git a/app/SysTray-X/SysTray-X.qrc b/app/SysTray-X/SysTray-X.qrc
index 37b9c8d..d98c092 100644
--- a/app/SysTray-X/SysTray-X.qrc
+++ b/app/SysTray-X/SysTray-X.qrc
@@ -2,5 +2,6 @@
     <qresource prefix="/">
         <file>files/icons/SysTray-X.png</file>
         <file>files/icons/blank-icon.png</file>
+        <file>files/icons/Thunderbird.png</file>
     </qresource>
 </RCC>
diff --git a/app/SysTray-X/files/icons/Thunderbird.png b/app/SysTray-X/files/icons/Thunderbird.png
new file mode 100644
index 0000000..b594533
Binary files /dev/null and b/app/SysTray-X/files/icons/Thunderbird.png differ
diff --git a/webext/icons/Thunderbird.png b/webext/icons/Thunderbird.png
new file mode 100644
index 0000000..b594533
Binary files /dev/null and b/webext/icons/Thunderbird.png differ