diff --git a/src/lib/server/schemas/auth.ts b/src/lib/server/schemas/auth.ts
index 220b029..10c8fcc 100644
--- a/src/lib/server/schemas/auth.ts
+++ b/src/lib/server/schemas/auth.ts
@@ -19,6 +19,6 @@ export type TokenUpgradeResponse = z.infer<typeof tokenUpgradeResponse>;
 
 export const tokenUpgradeVerifyRequest = z.object({
   answer: z.string().base64().nonempty(),
-  sigAnswer: z.string().base64().nonempty(),
+  answerSig: z.string().base64().nonempty(),
 });
 export type TokenUpgradeVerifyRequest = z.infer<typeof tokenUpgradeVerifyRequest>;
diff --git a/src/lib/server/schemas/client.ts b/src/lib/server/schemas/client.ts
index 8bda49e..53cbb88 100644
--- a/src/lib/server/schemas/client.ts
+++ b/src/lib/server/schemas/client.ts
@@ -23,7 +23,7 @@ export type ClientRegisterResponse = z.infer<typeof clientRegisterResponse>;
 
 export const clientRegisterVerifyRequest = z.object({
   answer: z.string().base64().nonempty(),
-  sigAnswer: z.string().base64().nonempty(),
+  answerSig: z.string().base64().nonempty(),
 });
 export type ClientRegisterVerifyRequest = z.infer<typeof clientRegisterVerifyRequest>;
 
diff --git a/src/lib/server/services/auth.ts b/src/lib/server/services/auth.ts
index 83dbc33..fbab586 100644
--- a/src/lib/server/services/auth.ts
+++ b/src/lib/server/services/auth.ts
@@ -132,7 +132,7 @@ export const upgradeToken = async (
   refreshToken: string,
   ip: string,
   answer: string,
-  sigAnswer: string,
+  answerSig: string,
 ) => {
   const { jti: oldJti, userId, clientId } = await verifyRefreshToken(refreshToken);
   if (clientId) {
@@ -149,7 +149,7 @@ export const upgradeToken = async (
   const client = await getClient(challenge.clientId);
   if (!client) {
     error(500, "Invalid challenge answer");
-  } else if (!verifySignature(Buffer.from(answer, "base64"), sigAnswer, client.sigPubKey)) {
+  } else if (!verifySignature(Buffer.from(answer, "base64"), answerSig, client.sigPubKey)) {
     error(401, "Invalid challenge answer signature");
   }
 
diff --git a/src/lib/server/services/client.ts b/src/lib/server/services/client.ts
index 9291d6b..071355e 100644
--- a/src/lib/server/services/client.ts
+++ b/src/lib/server/services/client.ts
@@ -92,7 +92,7 @@ export const verifyUserClient = async (
   userId: number,
   ip: string,
   answer: string,
-  sigAnswer: string,
+  answerSig: string,
 ) => {
   const challenge = await getUserClientChallenge(answer, ip);
   if (!challenge) {
@@ -104,7 +104,7 @@ export const verifyUserClient = async (
   const client = await getClient(challenge.clientId);
   if (!client) {
     error(500, "Invalid challenge answer");
-  } else if (!verifySignature(Buffer.from(answer, "base64"), sigAnswer, client.sigPubKey)) {
+  } else if (!verifySignature(Buffer.from(answer, "base64"), answerSig, client.sigPubKey)) {
     error(401, "Invalid challenge answer signature");
   }
 
diff --git a/src/lib/services/auth.ts b/src/lib/services/auth.ts
index d796d28..606ab7c 100644
--- a/src/lib/services/auth.ts
+++ b/src/lib/services/auth.ts
@@ -25,7 +25,7 @@ export const requestTokenUpgrade = async (
 
   const { challenge }: TokenUpgradeResponse = await res.json();
   const answer = await decryptChallenge(challenge, decryptKey);
-  const sigAnswer = await signMessage(answer, signKey);
+  const answerSig = await signMessage(answer, signKey);
 
   res = await fetch("/api/auth/upgradeToken/verify", {
     method: "POST",
@@ -34,7 +34,7 @@ export const requestTokenUpgrade = async (
     },
     body: JSON.stringify({
       answer: encodeToBase64(answer),
-      sigAnswer: encodeToBase64(sigAnswer),
+      answerSig: encodeToBase64(answerSig),
     } satisfies TokenUpgradeVerifyRequest),
   });
   return res.ok;
diff --git a/src/lib/services/key.ts b/src/lib/services/key.ts
index 5a2c620..e2dfd30 100644
--- a/src/lib/services/key.ts
+++ b/src/lib/services/key.ts
@@ -29,11 +29,11 @@ export const requestClientRegistration = async (
 
   const { challenge }: ClientRegisterResponse = await res.json();
   const answer = await decryptChallenge(challenge, decryptKey);
-  const sigAnswer = await signMessage(answer, signKey);
+  const answerSig = await signMessage(answer, signKey);
 
   res = await callPostApi<ClientRegisterVerifyRequest>("/api/client/register/verify", {
     answer: encodeToBase64(answer),
-    sigAnswer: encodeToBase64(sigAnswer),
+    answerSig: encodeToBase64(answerSig),
   });
   return res.ok;
 };
diff --git a/src/routes/api/auth/upgradeToken/verify/+server.ts b/src/routes/api/auth/upgradeToken/verify/+server.ts
index df001ed..c4ab37a 100644
--- a/src/routes/api/auth/upgradeToken/verify/+server.ts
+++ b/src/routes/api/auth/upgradeToken/verify/+server.ts
@@ -11,13 +11,13 @@ export const POST: RequestHandler = async ({ request, cookies, getClientAddress
 
   const zodRes = tokenUpgradeVerifyRequest.safeParse(await request.json());
   if (!zodRes.success) error(400, "Invalid request body");
-  const { answer, sigAnswer } = zodRes.data;
+  const { answer, answerSig } = zodRes.data;
 
   const { accessToken, refreshToken } = await upgradeToken(
     token,
     getClientAddress(),
     answer,
-    sigAnswer,
+    answerSig,
   );
   cookies.set("accessToken", accessToken, {
     path: "/",
diff --git a/src/routes/api/client/register/verify/+server.ts b/src/routes/api/client/register/verify/+server.ts
index f261497..e48b454 100644
--- a/src/routes/api/client/register/verify/+server.ts
+++ b/src/routes/api/client/register/verify/+server.ts
@@ -12,8 +12,8 @@ export const POST: RequestHandler = async ({ request, cookies, getClientAddress
 
   const zodRes = clientRegisterVerifyRequest.safeParse(await request.json());
   if (!zodRes.success) error(400, "Invalid request body");
-  const { answer, sigAnswer } = zodRes.data;
+  const { answer, answerSig } = zodRes.data;
 
-  await verifyUserClient(userId, getClientAddress(), answer, sigAnswer);
+  await verifyUserClient(userId, getClientAddress(), answer, answerSig);
   return text("Client verified", { headers: { "Content-Type": "text/plain" } });
 };