diff --git a/src/cas/example/simple/exServer.h b/src/cas/example/simple/exServer.h
index 56ad85814..aff5188ad 100644
--- a/src/cas/example/simple/exServer.h
+++ b/src/cas/example/simple/exServer.h
@@ -40,6 +40,7 @@
 //
 #define epicsAssertAuthor "Jeff Hill johill@lanl.gov"
 #include "gddAppFuncTable.h"
+#include "smartGDDPointer.h"
 #include "epicsTimer.h"
 #include "casdef.h"
 #include "epicsAssert.h"