diff --git a/right/src/i2c.c b/right/src/i2c.c
index 033c7a9..30689ee 100644
--- a/right/src/i2c.c
+++ b/right/src/i2c.c
@@ -40,7 +40,7 @@ status_t I2cAsyncReadMessage(uint8_t i2cAddress, i2c_message_t *message)
     masterTransfer.slaveAddress = i2cAddress;
     masterTransfer.direction = kI2C_Read;
     masterTransfer.data = (uint8_t*)message;
-    masterTransfer.dataSize = I2C_MESSAGE_MAX_PAYLOAD_LENGTH;
+    masterTransfer.dataSize = I2C_MESSAGE_MAX_TOTAL_LENGTH;
     I2cMasterHandle.userData = (void*)1;
     return I2C_MasterTransferNonBlocking(I2C_MAIN_BUS_BASEADDR, &I2cMasterHandle, &masterTransfer);
 }