diff --git a/src/doors/ny2008/src/nyibbs.cpp b/src/doors/ny2008/src/nyibbs.cpp
index e8d7c28bd6d724f2c154ddaa42e893c21f8cd7e9..aa59201a988fbac1e7f597a89e20ef5978552c97 100644
--- a/src/doors/ny2008/src/nyibbs.cpp
+++ b/src/doors/ny2008/src/nyibbs.cpp
@@ -425,7 +425,7 @@ tIBResult       IBGet(tIBInfo * pInfo, char *pBuffer, INT16 nMaxBufferSize) {
 	return (eNoMoreMessages);
 }
 
-tIBResult       IBGetLen(tIBInfo * pInfo, long *msgnum, INT16 *nBufferLen) {
+tIBResult       IBGetLen(tIBInfo * pInfo, INT32 *msgnum, INT16 *nBufferLen) {
 	tIBResult       ToReturn;
 	glob_t          DirEntry;
 	DWORD           lwCurrentMsgNum;