diff --git a/src/libCom/osi/os/WIN32/dllmain.cpp b/src/libCom/osi/os/WIN32/dllmain.cpp
index 02030d2c1..414e277c9 100644
--- a/src/libCom/osi/os/WIN32/dllmain.cpp
+++ b/src/libCom/osi/os/WIN32/dllmain.cpp
@@ -43,7 +43,7 @@
 
 #include "epicsVersion.h"
 #define epicsExportSharedSymbols
-#include "bsdSocketResource.h"
+#include "osiSock.h"
 
 #ifndef _WIN32
 #error This source is specific to WIN32