diff --git a/enkanetwork/enum.py b/enkanetwork/enum.py
index d7e2b12..d754903 100644
--- a/enkanetwork/enum.py
+++ b/enkanetwork/enum.py
@@ -63,6 +63,6 @@ class EquipType(str, Enum):
     Circlet = "EQUIP_DRESS"
 
 class ProfileRank(int, Enum):
-    TIER_1 = 1
-    TIER_2 = 2
-    TIER_3 = 3
\ No newline at end of file
+    TIER_1 = 0
+    TIER_2 = 1
+    TIER_3 = 2
\ No newline at end of file