diff --git a/motorApp/ImsSrc/Makefile b/motorApp/ImsSrc/Makefile
index c69b007a..57ff8351 100644
--- a/motorApp/ImsSrc/Makefile
+++ b/motorApp/ImsSrc/Makefile
@@ -14,6 +14,8 @@ SRCS += ImsRegister.cc
 SRCS += devIM483SM.cc drvIM483SM.cc
 SRCS += devIM483PL.cc drvIM483PL.cc
 SRCS += devMDrive.cc  drvMDrive.cc
+# model3 driver
+SRCS += ImsMDrivePlusMotorController.cpp ImsMDrivePlusMotorAxis.cpp
 
 Ims_LIBS += motor asyn
 Ims_LIBS += $(EPICS_BASE_IOC_LIBS)
diff --git a/motorApp/ImsSrc/devImsMotor.dbd b/motorApp/ImsSrc/devImsMotor.dbd
index 5027709e..b3e9f5f7 100644
--- a/motorApp/ImsSrc/devImsMotor.dbd
+++ b/motorApp/ImsSrc/devImsMotor.dbd
@@ -6,6 +6,7 @@ driver(drvIM483SM)
 driver(drvIM483PL)
 driver(drvMDrive)
 registrar(IMSmotorRegister)
+registrar(ImsMDrivePlusMotorRegister)
 variable(drvIM483SMdebug)
 variable(drvIM483PLdebug)
 variable(drvMDrivedebug)