diff --git a/src/vim.h b/src/vim.h
index c8ec443..aa313d3 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -1669,7 +1669,10 @@
 #define VV_SWAPCHOICE	46
 #define VV_SWAPCOMMAND	47
 #define VV_CHAR		48
-#define VV_LEN		49	/* number of v: vars */
+#define VV_MOUSE_WIN	49
+#define VV_MOUSE_LNUM   50
+#define VV_MOUSE_COL	51
+#define VV_LEN		52	/* number of v: vars */
 
 #ifdef FEAT_CLIPBOARD