diff --git a/src/main/target/MATEKF405/target.h b/src/main/target/MATEKF405/target.h
index 83bc28d3fd..aab61407ed 100644
--- a/src/main/target/MATEKF405/target.h
+++ b/src/main/target/MATEKF405/target.h
@@ -58,6 +58,9 @@
 #define USE_ACC_SPI_MPU6500
 #define ACC_MPU6500_ALIGN       CW180_DEG
 
+#define MAG
+#define USE_MAG_HMC5883
+
 // *************** Baro **************************
 #define USE_I2C
 
diff --git a/src/main/target/MATEKF405/target.mk b/src/main/target/MATEKF405/target.mk
index 277dee3d24..cbb55c9a74 100644
--- a/src/main/target/MATEKF405/target.mk
+++ b/src/main/target/MATEKF405/target.mk
@@ -8,4 +8,5 @@ TARGET_SRC = \
             drivers/barometer/barometer_bmp085.c \
             drivers/barometer/barometer_bmp280.c \
             drivers/barometer/barometer_ms5611.c \
+            drivers/compass/compass_hmc5883l.c \
             drivers/max7456.c