diff --git a/src/vim.h b/src/vim.h
index a39c6fd..7180d23 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -836,6 +836,7 @@
 #define EW_SHELLCMD	0x2000	/* called from expand_shellcmd(), don't check
 				 * if executable is in $PATH */
 #define EW_DODOT	0x4000	/* also files starting with a dot */
+#define EW_EMPTYOK	0x8000	/* no matches is not an error */
 
 /* Flags for find_file_*() functions. */
 #define FINDFILE_FILE	0	/* only files */