diff --git a/src/types/brilink.ts b/src/types/brilink.ts
index bcf8ef7..7dd7d87 100644
--- a/src/types/brilink.ts
+++ b/src/types/brilink.ts
@@ -51,8 +51,8 @@ export enum BrilinkBalanceMutationActvity {
 
 export enum BrilinkBalanceMutationCodePrefixActvity {
     "topup" = "1",
-    "payment" = "2",
-    "purchase" = "3"
+    "transfer" = "2",
+    "withdrawal" = "3"
 }
 
 export enum BrilinkBalanceSourceType {