diff --git a/src/libCom/osi/epicsStdio.h b/src/libCom/osi/epicsStdio.h
index e2d343ef1..021e3c29a 100644
--- a/src/libCom/osi/epicsStdio.h
+++ b/src/libCom/osi/epicsStdio.h
@@ -12,14 +12,14 @@
 #define epicsStdioh
 
 #include <stdio.h>
+#include <stdarg.h>
+
+#include "shareLib.h"
 
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
-#include <stdarg.h>
-#include "shareLib.h"
-
 epicsShareFunc int epicsShareAPI epicsSnprintf(
     char *str, size_t size, const char *format, ...);
 epicsShareFunc int epicsShareAPI epicsVsnprintf(