diff --git a/ci/hardware_tests/device/tt.py b/ci/hardware_tests/device/tt.py
index c7660c0bd2..67821a6126 100644
--- a/ci/hardware_tests/device/tt.py
+++ b/ci/hardware_tests/device/tt.py
@@ -14,6 +14,12 @@ class TrezorT(Device):
                 "Uploading production firmware will replace the bootloader, it is not allowed!"
             )
 
+        self.wait(5)
+        self.run_trezorctl("device wipe --bootloader || true")
+        self.wait(5)
+        self.power_off()
+        self.power_on()
+
         self.wait(5)
         self.log("[software] Updating the firmware to {}".format(file))
         self.run_trezorctl("firmware-update -s -f {}".format(file))