diff --git a/src/ioc/rsrv/rsrvIocRegister.c b/src/ioc/rsrv/rsrvIocRegister.c
index afc0ae85a..83c84c334 100644
--- a/src/ioc/rsrv/rsrvIocRegister.c
+++ b/src/ioc/rsrv/rsrvIocRegister.c
@@ -10,9 +10,10 @@
 #include "osiSock.h"
 #include "iocsh.h"
 
-#include "epicsExport.h"
+#define epicsExportSharedSymbols
 #include "rsrv.h"
 #include "server.h"
+#include "epicsExport.h"
 
 
 /* casr */