diff --git a/CHANGELOG.md b/CHANGELOG.md
index d26aa69..49e92fa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Content warnings.
 - List enabled authentication methods in "Settings".
 
+### Changed
+
+- Send preferred authentication method along with user data when creating new account.
+
 ### Fixed
 
 - Fix update of unread notification counter.
diff --git a/src/api/users.ts b/src/api/users.ts
index 18fe859..4df43d0 100644
--- a/src/api/users.ts
+++ b/src/api/users.ts
@@ -145,11 +145,17 @@ interface UserCreateForm {
   invite_code: string | null;
 }
 
-export async function createUser(userData: UserCreateForm): Promise<User> {
+export async function createUser(
+  loginType: "password" | "eip4361",
+  userData: UserCreateForm,
+): Promise<User> {
   const url = `${BACKEND_URL}/api/v1/accounts`
   const response = await http(url, {
     method: "POST",
-    json: userData,
+    json: {
+      authentication_method: loginType,
+      ...userData,
+    },
   })
   const data = await response.json()
   if (response.status !== 201) {
diff --git a/src/views/LandingPage.vue b/src/views/LandingPage.vue
index 7e9394c..8d37230 100644
--- a/src/views/LandingPage.vue
+++ b/src/views/LandingPage.vue
@@ -217,7 +217,7 @@ async function register() {
   let user
   let authToken
   try {
-    user = await createUser(userData)
+    user = await createUser(loginType, userData)
     authToken = await getAccessToken(loginType, loginData)
   } catch (error: any) {
     isLoading = false