diff --git a/modules/libcom/src/osi/os/WIN32/osdFindSymbol.c b/modules/libcom/src/osi/os/WIN32/osdFindSymbol.c
index 80b3c292b..2753f0959 100644
--- a/modules/libcom/src/osi/os/WIN32/osdFindSymbol.c
+++ b/modules/libcom/src/osi/os/WIN32/osdFindSymbol.c
@@ -30,7 +30,7 @@
 #endif
 
 STORE
-int epicsLoadErrorCode = 0;
+DWORD epicsLoadErrorCode = 0;
 
 epicsShareFunc void * epicsLoadLibrary(const char *name)
 {