diff --git a/src/main/target/GEPRCF405/target.h b/src/main/target/GEPRCF405/target.h
index 7f641643e8..0b96d5b8b1 100644
--- a/src/main/target/GEPRCF405/target.h
+++ b/src/main/target/GEPRCF405/target.h
@@ -61,9 +61,12 @@
 #define USE_I2C_DEVICE_1
 #define I2C1_SCL                PB8
 #define I2C1_SDA                PB9
+#define USE_I2C_DEVICE_2
+#define I2C2_SCL                PB10
+#define I2C2_SDA                PB11
 
 #define USE_BARO
-#define BARO_I2C_BUS            BUS_I2C1
+#define BARO_I2C_BUS            BUS_I2C2
 #define USE_BARO_BMP280
 #define USE_BARO_DPS310
 #define USE_BARO_MS5611