diff --git a/radio/src/io/frsky_device_firmware_update.cpp b/radio/src/io/frsky_device_firmware_update.cpp
index 380699487..f3f8bba90 100644
--- a/radio/src/io/frsky_device_firmware_update.cpp
+++ b/radio/src/io/frsky_device_firmware_update.cpp
@@ -303,9 +303,9 @@ void DeviceFirmwareUpdate::flashFile(const char * filename)
   EXTERNAL_MODULE_OFF();
   SPORT_UPDATE_POWER_OFF();
 
-  /* wait 1s off */
-  watchdogSuspend(1000);
-  RTOS_WAIT_MS(1000);
+  /* wait 2s off */
+  watchdogSuspend(2000);
+  RTOS_WAIT_MS(2000);
 
   startup();
 
@@ -328,9 +328,9 @@ void DeviceFirmwareUpdate::flashFile(const char * filename)
 
   waitState(SPORT_IDLE, 500); // Clear the fifo
 
-  /* wait 1s off */
-  watchdogSuspend(1000);
-  RTOS_WAIT_MS(1000);
+  /* wait 2s off */
+  watchdogSuspend(2000);
+  RTOS_WAIT_MS(2000);
 
   if (intPwr)
     INTERNAL_MODULE_ON();