diff --git a/src/libCom/osi/osiThread.cpp b/src/libCom/osi/osiThread.cpp
index 5f4d0b6c3..40f326af0 100644
--- a/src/libCom/osi/osiThread.cpp
+++ b/src/libCom/osi/osiThread.cpp
@@ -7,6 +7,8 @@
 #include <stdio.h>
 #include <stddef.h>
 
+static void osiThreadCallEntryPoint (void *pPvt); // for gnu warning
+
 #define epicsExportSharedSymbols
 #include "osiThread.h"
 
diff --git a/src/libCom/osi/osiThread.h b/src/libCom/osi/osiThread.h
index 9823ae1b7..228b2649c 100644
--- a/src/libCom/osi/osiThread.h
+++ b/src/libCom/osi/osiThread.h
@@ -90,8 +90,6 @@ epicsShareFunc void * epicsShareAPI threadPrivateGet (threadPrivateId);
 #include "locationException.h"
 #include "osiEvent.h"
 
-static void osiThreadCallEntryPoint (void *pPvt); // for gnu warning
-
 class epicsShareClass osiThread {
 public:
     osiThread (const char *name, unsigned stackSize,