diff --git a/mblock_firmware/mblock_firmware.ino b/mblock_firmware/mblock_firmware.ino
index 4e09f29..be354b9 100644
--- a/mblock_firmware/mblock_firmware.ino
+++ b/mblock_firmware/mblock_firmware.ino
@@ -14,6 +14,7 @@
 #include "MePort.h"
 #include "MeServo.h" 
 #include "MeDCMotor.h" 
+#include "MeEncoderMotor.h" 
 #include "MeUltrasonic.h" 
 #include "MeGyro.h"
 #include "Me7SegmentDisplay.h"