diff --git a/db/re/mob_db.txt b/db/re/mob_db.txt
index 90949e4821..4e98701fd6 100644
--- a/db/re/mob_db.txt
+++ b/db/re/mob_db.txt
@@ -3729,7 +3729,7 @@
 //20585,MD_C_RAY_ARCHER_G
 
 //20589,SWING_TALE
-
+//20590,RU_E_ECLIPS
 //20591,PAPARE
 //20592,POISONOUS
 //20593,TOXIOUS