diff --git a/Applications/Calendar/main.cpp b/Applications/Calendar/main.cpp
index bcc3fc1a6f..e29dd55594 100644
--- a/Applications/Calendar/main.cpp
+++ b/Applications/Calendar/main.cpp
@@ -36,6 +36,7 @@ int main(int argc, char** argv)
 
     window->set_main_widget<CalendarWidget>();
     window->show();
+    window->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/app-calendar.png"));
 
     auto menubar = make<GUI::MenuBar>();
 
diff --git a/Base/res/icons/16x16/app-calendar.png b/Base/res/icons/16x16/app-calendar.png
new file mode 100644
index 0000000000..dbc873ced9
Binary files /dev/null and b/Base/res/icons/16x16/app-calendar.png differ