diff --git a/motorApp/NewportSrc/SMC100Driver.cpp b/motorApp/NewportSrc/SMC100Driver.cpp
index 4fdcb22c..05e9ef00 100644
--- a/motorApp/NewportSrc/SMC100Driver.cpp
+++ b/motorApp/NewportSrc/SMC100Driver.cpp
@@ -23,6 +23,9 @@ K. Goetze 2012-03-23  Initial version
 
 #include <asynOctetSyncIO.h>
 
+#include <asynMotorController.h>
+#include <asynMotorAxis.h>
+
 #include <epicsExport.h>
 #include "SMC100Driver.h"