diff --git a/src/vim.h b/src/vim.h
index 816cfe8..4f80a09 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -801,6 +801,7 @@
 #define EXPAND_ARGLIST		48
 #define EXPAND_DIFF_BUFFERS	49
 #define EXPAND_DISASSEMBLE	50
+#define EXPAND_BREAKPOINT	51
 
 // Values for exmode_active (0 is no exmode)
 #define EXMODE_NORMAL		1