diff --git a/src/vim.h b/src/vim.h
index 66eed35..11ff2a5 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -1715,7 +1715,8 @@
 # define ENC_2WORD	0x100	    /* Unicode: UTF-16 */
 
 # define ENC_LATIN1	0x200	    /* Latin1 */
-# define ENC_MACROMAN	0x400	    /* Mac Roman (not Macro Man! :-) */
+# define ENC_LATIN9	0x400	    /* Latin9 */
+# define ENC_MACROMAN	0x800	    /* Mac Roman (not Macro Man! :-) */
 #endif
 
 #ifdef FEAT_MBYTE