diff --git a/src/cas/example/simple/exServer.h b/src/cas/example/simple/exServer.h
index a2bb2777b..d91d7f7ee 100644
--- a/src/cas/example/simple/exServer.h
+++ b/src/cas/example/simple/exServer.h
@@ -29,8 +29,8 @@
 //
 // EPICS
 //
-#include "epicsAssert.h"
 #include "casdef.h"
+#include "epicsAssert.h"
 #include "gddAppFuncTable.h"
 #include "osiTimer.h"
 #include "resourceLib.h"