diff --git a/config.json b/config.json
index 31ecd8416..cfdb29423 100644
--- a/config.json
+++ b/config.json
@@ -63,7 +63,7 @@
   ],
   "Courses": [
     {"Name": "HunterLife", "Enabled": true},
-    {"Name": "ExtraA", "Enabled": true},
+    {"Name": "Extra", "Enabled": true},
     {"Name": "Premium", "Enabled": true},
     {"Name": "Assist", "Enabled": false},
     {"Name": "Netcafe", "Enabled": false},
diff --git a/network/mhfpacket/msg_sys_update_right.go b/network/mhfpacket/msg_sys_update_right.go
index 0702a5b3e..45e9d8871 100644
--- a/network/mhfpacket/msg_sys_update_right.go
+++ b/network/mhfpacket/msg_sys_update_right.go
@@ -79,16 +79,17 @@ func Courses() []Course {
 	var courses = []Course{
 		{[]string{"Trial", "TL"}, 1, 0x00000002},
 		{[]string{"HunterLife", "HL"}, 2, 0x00000004},
-		{[]string{"ExtraA", "Extra", "EX"}, 3, 0x00000008},
+		{[]string{"Extra", "ExtraA", "EX"}, 3, 0x00000008},
 		{[]string{"ExtraB"}, 4, 0x00000010},
 		{[]string{"Mobile"}, 5, 0x00000020},
 		{[]string{"Premium"}, 6, 0x00000040},
 		{[]string{"Pallone"}, 7, 0x00000080},
 		{[]string{"Assist", "Legend", "Rasta"}, 8, 0x00000100}, // Legend
-		{[]string{"Netcafe", "N", "Cafe"}, 9, 0x00000200},
+		{[]string{"Netcafe", "N", "Cafe"}, 9, 0x40000200},
 		{[]string{"Hiden", "Secret"}, 10, 0x00000400},                                       // Secret
 		{[]string{"HunterSupport", "HunterAid", "Support", "Royal", "Aid"}, 11, 0x00000800}, // Royal
 		{[]string{"NetcafeBoost", "NBoost", "Boost"}, 12, 0x00001000},
+		{[]string{"ExtraC"}, 13, 0x00002000},
 	}
 	return courses
 }
@@ -98,7 +99,7 @@ func GetCourseStruct(rights uint32) []Course {
 	var resp []Course
 	s := Courses()
 	slices.SortStableFunc(s, func(i, j Course) bool {
-		return i.ID > j.ID
+		return i.Value > j.Value
 	})
 	for _, course := range s {
 		if rights-course.Value < 0x80000000 {