diff --git a/tests/streams/largefile.cpp b/tests/streams/largefile.cpp
index af65d4e17e..494977d4db 100644
--- a/tests/streams/largefile.cpp
+++ b/tests/streams/largefile.cpp
@@ -40,6 +40,10 @@
 #include <winioctl.h>
 #endif
 
+#ifdef __VISUALC__
+    #define fileno _fileno
+#endif
+
 using std::auto_ptr;