diff --git a/motorApp/MXmotorSrc/Makefile b/motorApp/MXmotorSrc/Makefile
index 2c7c6c30..ffa25900 100644
--- a/motorApp/MXmotorSrc/Makefile
+++ b/motorApp/MXmotorSrc/Makefile
@@ -10,14 +10,13 @@ USR_CXXFLAGS += -DDEBUG
 
 DBD += devMXmotor.dbd
 
-LIBRARY_IOC = MXmotor
+LIBRARY_IOC_DEFAULT = MXmotor
+LIBRARY_IOC_vxWorks = -nil-
+
+SRCS_DEFAULT += MXRegister.cc
 
 # The following is required for the Soft Channel (i.e., MotorSoft) device driver.
 SRCS_DEFAULT += devMXmotor.cc drvMXmotor.cc
-SRCS_vxWorks += -nil-
-
-OBJS_DEFAULT += MXRegister
-OBJS_vxWorks += -nil-
 
 MXmotor_LIBS += motor motorCOM_mpf Mx
 MXmotor_LIBS += $(EPICS_BASE_IOC_LIBS)
diff --git a/motorApp/MXmotorSrc/devMXmotor.dbd b/motorApp/MXmotorSrc/devMXmotor.dbd
index 7f868fab..5dc88b31 100644
--- a/motorApp/MXmotorSrc/devMXmotor.dbd
+++ b/motorApp/MXmotorSrc/devMXmotor.dbd
@@ -1,5 +1,6 @@
 # Soft Channel driver support.
 device(motor,VME_IO,devMXmotor,"MXmotor")
 driver(drvMXmotor)
+registrar(MXmotorRegister)