diff --git a/src/Link.cpp b/src/Link.cpp
index 436e4bbe..63b42e86 100644
--- a/src/Link.cpp
+++ b/src/Link.cpp
@@ -581,7 +581,7 @@ int InitLink(void){
 
 	setsockopt(lanlink.tcpsocket, IPPROTO_TCP, TCP_NODELAY, (char*)&disable, sizeof(BOOL));
 
-	if((mmf=CreateFileMapping((HANDLE)0xffffffff, NULL, PAGE_READWRITE, 0, sizeof(LINKDATA), "VBA link memory"))==NULL){
+	if((mmf=CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, sizeof(LINKDATA), "VBA link memory"))==NULL){
 		closesocket(lanlink.tcpsocket);
 		WSACleanup();
 		MessageBox(NULL, "Error creating file mapping", "Error", MB_OK|MB_ICONEXCLAMATION);