diff --git a/core/api/src/domain/errors.ts b/core/api/src/domain/errors.ts
index c8058b8b66..199eaa6153 100644
--- a/core/api/src/domain/errors.ts
+++ b/core/api/src/domain/errors.ts
@@ -116,7 +116,7 @@ export class NoBtcWalletExistsForAccountError extends ValidationError {}
 export class InvalidQuizQuestionIdError extends ValidationError {}
 export class QuizClaimedTooEarlyError extends ValidationError {}
 export class MissingIPMetadataError extends ValidationError {}
-export class UndefiniedIPError extends ValidationError {
+export class UndefinedIPError extends ValidationError {
   level = ErrorLevel.Critical
 }
 
diff --git a/core/api/src/graphql/error-map.ts b/core/api/src/graphql/error-map.ts
index 5d08aa885e..2754df983f 100644
--- a/core/api/src/graphql/error-map.ts
+++ b/core/api/src/graphql/error-map.ts
@@ -658,7 +658,7 @@ export const mapError = (error: ApplicationError): CustomGraphQLError => {
     case "PhoneCarrierTypeNotAllowedError":
     case "PhoneCountryNotAllowedError":
     case "MissingIPMetadataError":
-    case "UndefiniedIPError":
+    case "UndefinedIPError":
     case "UnauthorizedIPMetadataASNError":
     case "InvalidAccountStatusError":
     case "InvalidOnChainAddress":
diff --git a/core/api/src/servers/authentication/index.ts b/core/api/src/servers/authentication/index.ts
index 9c40b8286d..e0a7c102aa 100644
--- a/core/api/src/servers/authentication/index.ts
+++ b/core/api/src/servers/authentication/index.ts
@@ -10,16 +10,15 @@ import { registerCaptchaGeetest } from "@/app/captcha"
 
 import { UNSECURE_IP_FROM_REQUEST_OBJECT } from "@/config"
 
-import { ErrorLevel } from "@/domain/shared"
+import { ErrorLevel, parseErrorMessageFromUnknown } from "@/domain/shared"
 import { parseIps } from "@/domain/accounts-ips"
 import { checkedToEmailCode, validOneTimeAuthCodeValue } from "@/domain/authentication"
 import {
   EmailCodeInvalidError,
   EmailValidationSubmittedTooOftenError,
 } from "@/domain/authentication/errors"
-import { UndefiniedIPError } from "@/domain/errors"
+import { UndefinedIPError } from "@/domain/errors"
 import { UserLoginIpRateLimiterExceededError } from "@/domain/rate-limit/errors"
-import { parseErrorMessageFromUnknown } from "@/domain/shared"
 import { checkedToEmailAddress, checkedToPhoneNumber } from "@/domain/users"
 
 import {
@@ -43,7 +42,7 @@ authRouter.use((req: Request, res: Response, next: NextFunction) => {
   const ipString = UNSECURE_IP_FROM_REQUEST_OBJECT ? req.ip : req.headers["x-real-ip"]
   const ip = parseIps(ipString)
   if (!ip) {
-    recordExceptionInCurrentSpan({ error: new UndefiniedIPError() })
+    recordExceptionInCurrentSpan({ error: new UndefinedIPError() })
     return res.status(400).send({ error: "IP is not defined" })
   }
   req["originalIp"] = ip as IpAddress