diff --git a/platforms/nuttx/src/px4/nxp/rt117x/include/px4_arch/micro_hal.h b/platforms/nuttx/src/px4/nxp/rt117x/include/px4_arch/micro_hal.h
index 60effd0034..c1c7e57116 100644
--- a/platforms/nuttx/src/px4/nxp/rt117x/include/px4_arch/micro_hal.h
+++ b/platforms/nuttx/src/px4/nxp/rt117x/include/px4_arch/micro_hal.h
@@ -41,7 +41,7 @@ __BEGIN_DECLS
 #// Fixme: using ??
 #define PX4_BBSRAM_SIZE             2048
 #define PX4_BBSRAM_GETDESC_IOCTL    0
-#define PX4_NUMBER_I2C_BUSES        2 //FIXME
+#define PX4_NUMBER_I2C_BUSES        4
 
 #define GPIO_OUTPUT_SET             GPIO_OUTPUT_ONE
 #define GPIO_OUTPUT_CLEAR           GPIO_OUTPUT_ZERO