diff --git a/source/Core/BSP/Sequre/preRTOS.cpp b/source/Core/BSP/Sequre/preRTOS.cpp
index 411d53b2..8e61367e 100644
--- a/source/Core/BSP/Sequre/preRTOS.cpp
+++ b/source/Core/BSP/Sequre/preRTOS.cpp
@@ -21,13 +21,14 @@ void preRToSInit() {
   HAL_Init();
   Setup_HAL(); // Setup all the HAL objects
   BSPInit();
+#ifdef I2C_SOFT_BUS_1
+  I2CBB1::init();
+#endif /* I2C_SOFT_BUS_1 */
 #ifdef I2C_SOFT_BUS_2
   I2CBB2::init();
-#if defined(I2C_PROBE_POW_PD) && POW_PD_EXT == 2
-  // Detect FS2711 I2C bus num
-  if (FS2711::detect_i2c_bus_num() == 1) {
-    I2CBB1::init();
-  }
-#endif /* defined(I2C_PROBE_POW_PD) && POW_PD_EXT == 2 */
 #endif /* I2C_SOFT_BUS_2 */
-}
+#if defined(I2C_PROBE_POW_PD) && POW_PD_EXT == 2
+  // Detect and set FS2711 I2C bus num
+  FS2711::detect_i2c_bus_num();
+#endif /* defined(I2C_PROBE_POW_PD) && POW_PD_EXT == 2 */
+}
\ No newline at end of file