diff --git a/src/vim.h b/src/vim.h
index cb2a9e5..2a6d9a0 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -835,6 +835,7 @@
 #define EW_ICASE	0x100	/* ignore case */
 #define EW_NOERROR	0x200	/* no error for bad regexp */
 #define EW_NOTWILD	0x400	/* add match with literal name if exists */
+#define EW_KEEPDOLLAR	0x800	/* do not escape $, $var is expanded */
 /* Note: mostly EW_NOTFOUND and EW_SILENT are mutually exclusive: EW_NOTFOUND
  * is used when executing commands and EW_SILENT for interactive expanding. */