diff --git a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC82X/TARGET_LPC824/device.h b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC82X/TARGET_LPC824/device.h
index be5981dc85..52d2e95d0e 100644
--- a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC82X/TARGET_LPC824/device.h
+++ b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC82X/TARGET_LPC824/device.h
@@ -29,7 +29,7 @@
 #define DEVICE_SERIAL_FC        0
 
 #define DEVICE_I2C              1
-#define DEVICE_I2CSLAVE         0
+#define DEVICE_I2CSLAVE         1
 
 #define DEVICE_SPI              1
 #define DEVICE_SPISLAVE         1