diff --git a/include/numeric.h b/include/numeric.h
index 2488843..5b8f38e 100644
--- a/include/numeric.h
+++ b/include/numeric.h
@@ -361,6 +361,7 @@ extern const char *form_str(int);
 
 #define RPL_METADATASET		790
 #define RPL_METADATAREM		791
+#define RPL_WHOISMETADATA	793
 
 #define RPL_LOGGEDIN		900
 #define RPL_LOGGEDOUT		901
diff --git a/src/messages.tab b/src/messages.tab
index f0e0bff..e5ed607 100644
--- a/src/messages.tab
+++ b/src/messages.tab
@@ -814,7 +814,7 @@ static  const char *  replies[] = {
 /* 790 RPL_METADATASET */	"%s :Metadata set",
 /* 791 RPL_METADATAREM */	"%s :Metadata removed",
 /* 792 */	NULL,
-/* 793 */	NULL,
+/* 793 RPL_WHOISMETADATA */	"%s %s :%s",
 /* 794 */	NULL,
 /* 795 */	NULL,
 /* 796 */	NULL,