diff --git a/src/main/target/REVO/target.h b/src/main/target/REVO/target.h
index ac2567220a..b49b2adda3 100644
--- a/src/main/target/REVO/target.h
+++ b/src/main/target/REVO/target.h
@@ -235,7 +235,7 @@
 #define USE_I2C_DEVICE_1
 #define I2C_DEVICE              (I2CDEV_1)
 #define I2C1_SCL                PB8
-#define I2C2_SDA                PB9
+#define I2C1_SDA                PB9
 #endif
 
 #define USE_ADC