diff --git a/configs/DAKEFPVF405/config.h b/configs/DAKEFPVF405/config.h
index 1c637a71..58ac9bc1 100644
--- a/configs/DAKEFPVF405/config.h
+++ b/configs/DAKEFPVF405/config.h
@@ -104,7 +104,7 @@
 #define ADC2_DMA_OPT        1
 
 #define BARO_SPI_INSTANCE SPI2
-
+#define MAG_I2C_INSTANCE (I2CDEV_1)
 #define ADC_INSTANCE ADC2
 #define DEFAULT_BLACKBOX_DEVICE     BLACKBOX_DEVICE_FLASH
 #define DEFAULT_DSHOT_BITBANG DSHOT_BITBANG_OFF