diff --git a/Flashing-the-firmware.md b/Flashing-the-firmware.md
index bbca5b7..6615ff7 100644
--- a/Flashing-the-firmware.md
+++ b/Flashing-the-firmware.md
@@ -12,6 +12,14 @@ Just wait a moment and the firmware is loaded, or select a different file from y
 ![flash firmware with browser](https://github.com/egzumer/uv-k5-firmware-custom/assets/148579604/c24ea880-cecd-4477-b89c-7988f61d5e15)
 
 * Press flash firmware and a screen pops-up.
+
+If it is this screen, you are probably using Firefox.
+
+![Use Chrome in stead of Firefox](https://github.com/egzumer/uv-k5-firmware-custom/assets/148579604/086b5025-3058-49b5-8762-fa6e095f6706)
+
+Solution is to use Chrome.
+And than you can continue with ..
+
 * Select the Com-port where the programming-interface is connected.
 
 ![Connect to serial port](https://github.com/egzumer/uv-k5-firmware-custom/assets/148579604/476b88e3-4d46-43bd-a954-c4673fa6dd7e)