diff --git a/src/main/target/MICOAIR743/target.h b/src/main/target/MICOAIR743/target.h
index 4ba27f3447e..52ebef24e1b 100644
--- a/src/main/target/MICOAIR743/target.h
+++ b/src/main/target/MICOAIR743/target.h
@@ -100,7 +100,7 @@
 #define BARO_I2C_BUS            BUS_I2C2
 
 #define USE_MAG
-#define MAG_I2C_BUS             BUS_I2C1
+#define MAG_I2C_BUS             BUS_I2C2
 #define USE_MAG_ALL
 
 // *************** ENABLE OPTICAL FLOW & RANGEFINDER *****************************