diff --git a/Engine/source/console/CMDscan.cpp b/Engine/source/console/CMDscan.cpp
index 75f27dd72..f81c040a4 100644
--- a/Engine/source/console/CMDscan.cpp
+++ b/Engine/source/console/CMDscan.cpp
@@ -1910,11 +1910,7 @@ extern int isatty (int );
         b->yy_bs_column = 0;
     }
 
-#ifdef _MSC_VER
-    b->yy_is_interactive = file ? (isatty( _fileno(file) ) > 0) : 0;
-#else
     b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
-#endif // _MSC_VER    
 	errno = oerrno;
 }