diff --git a/src/vim.h b/src/vim.h
index 7f3e393..ea53e00 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -798,6 +798,7 @@
 #define EXPAND_HISTORY		41
 #define EXPAND_USER		42
 #define EXPAND_SYNTIME		43
+#define EXPAND_USER_ADDR_TYPE	44
 
 /* Values for exmode_active (0 is no exmode) */
 #define EXMODE_NORMAL		1