diff --git a/acsApp/src/devAcsMotor.dbd b/acsApp/src/devAcsMotor.dbd
index afdd04b..061fd61 100644
--- a/acsApp/src/devAcsMotor.dbd
+++ b/acsApp/src/devAcsMotor.dbd
@@ -1,5 +1,6 @@
 # Advanced Control Systems driver support.
 device(motor,VME_IO,devMCB4B,"ACS MCB-4B")
 driver(drvMCB4B)
+registrar(AcsRegister)
 
 
diff --git a/acsApp/src/drvMCB4B.h b/acsApp/src/drvMCB4B.h
index 395d183..04e9d91 100644
--- a/acsApp/src/drvMCB4B.h
+++ b/acsApp/src/drvMCB4B.h
@@ -23,11 +23,10 @@
 #define MCB4B_NUM_CHANNELS        4
 
 #define OUTPUT_TERMINATOR "\r"
-#define INPUT_TERMINATOR  '\r'
 
 struct MCB4Bcontroller
 {
-    void *serialInfo;       /* For RS-232 */
+    struct serialInfo *serialInfo; /* For RS-232 */
     int serial_card;        /* Card on which Hideos/MPF is running */
     char serial_task[20];   /* Hideos/MPF task/server name for serial port */
 };