diff --git a/app/src/main/java/org/koitharu/kotatsu/core/exceptions/SyncApiException.kt b/app/src/main/java/org/koitharu/kotatsu/core/exceptions/SyncApiException.kt
new file mode 100644
index 000000000..b314d1b59
--- /dev/null
+++ b/app/src/main/java/org/koitharu/kotatsu/core/exceptions/SyncApiException.kt
@@ -0,0 +1,6 @@
+package org.koitharu.kotatsu.core.exceptions
+
+class SyncApiException(
+	message: String,
+	val code: Int,
+) : RuntimeException(message)
diff --git a/app/src/main/java/org/koitharu/kotatsu/settings/ContentSettingsFragment.kt b/app/src/main/java/org/koitharu/kotatsu/settings/ContentSettingsFragment.kt
index 19506de9e..9d70660c7 100644
--- a/app/src/main/java/org/koitharu/kotatsu/settings/ContentSettingsFragment.kt
+++ b/app/src/main/java/org/koitharu/kotatsu/settings/ContentSettingsFragment.kt
@@ -1,12 +1,9 @@
 package org.koitharu.kotatsu.settings
 
-import android.accounts.Account
 import android.accounts.AccountManager
 import android.content.ActivityNotFoundException
-import android.content.Intent
 import android.content.SharedPreferences
 import android.os.Bundle
-import android.preference.PreferenceActivity.EXTRA_SHOW_FRAGMENT_ARGUMENTS
 import android.view.View
 import androidx.preference.ListPreference
 import androidx.preference.Preference
@@ -23,6 +20,7 @@ import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.local.data.LocalStorageManager
 import org.koitharu.kotatsu.parsers.util.names
 import org.koitharu.kotatsu.settings.utils.SliderPreference
+import org.koitharu.kotatsu.sync.ui.SyncSettingsIntent
 import org.koitharu.kotatsu.utils.ext.getStorageName
 import org.koitharu.kotatsu.utils.ext.setDefaultValueCompat
 import org.koitharu.kotatsu.utils.ext.viewLifecycleScope
@@ -111,7 +109,7 @@ class ContentSettingsFragment :
 					am.addAccount(accountType, accountType, null, null, requireActivity(), null, null)
 				} else {
 					try {
-						startActivity(getSyncSettingsIntent(account))
+						startActivity(SyncSettingsIntent(account))
 					} catch (_: ActivityNotFoundException) {
 						Snackbar.make(listView, R.string.operation_not_supported, Snackbar.LENGTH_SHORT).show()
 					}
@@ -151,16 +149,4 @@ class ContentSettingsFragment :
 			}
 		}
 	}
-
-	/**
-	 * Some magic
-	 */
-	private fun getSyncSettingsIntent(account: Account): Intent {
-		val args = Bundle(1)
-		args.putParcelable("account", account)
-		val intent = Intent("android.settings.ACCOUNT_SYNC_SETTINGS")
-		@Suppress("DEPRECATION")
-		intent.putExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS, args)
-		return intent
-	}
-}
\ No newline at end of file
+}
diff --git a/app/src/main/java/org/koitharu/kotatsu/sync/data/SyncAuthApi.kt b/app/src/main/java/org/koitharu/kotatsu/sync/data/SyncAuthApi.kt
index 744670526..1d56dc91a 100644
--- a/app/src/main/java/org/koitharu/kotatsu/sync/data/SyncAuthApi.kt
+++ b/app/src/main/java/org/koitharu/kotatsu/sync/data/SyncAuthApi.kt
@@ -5,8 +5,10 @@ import okhttp3.OkHttpClient
 import okhttp3.Request
 import org.json.JSONObject
 import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.exceptions.SyncApiException
 import org.koitharu.kotatsu.parsers.util.await
 import org.koitharu.kotatsu.parsers.util.parseJson
+import org.koitharu.kotatsu.parsers.util.removeSurrounding
 import org.koitharu.kotatsu.utils.ext.toRequestBody
 
 class SyncAuthApi(
@@ -24,7 +26,13 @@ class SyncAuthApi(
 			.url("$baseUrl/auth")
 			.post(body)
 			.build()
-		val response = okHttpClient.newCall(request).await().parseJson()
-		return response.getString("token")
+		val response = okHttpClient.newCall(request).await()
+		if (response.isSuccessful) {
+			return response.parseJson().getString("token")
+		} else {
+			val code = response.code
+			val message = response.use { checkNotNull(it.body).string() }.removeSurrounding('"')
+			throw SyncApiException(message, code)
+		}
 	}
-}
\ No newline at end of file
+}
diff --git a/app/src/main/java/org/koitharu/kotatsu/sync/ui/SyncSettingsIntent.kt b/app/src/main/java/org/koitharu/kotatsu/sync/ui/SyncSettingsIntent.kt
new file mode 100644
index 000000000..2775d8072
--- /dev/null
+++ b/app/src/main/java/org/koitharu/kotatsu/sync/ui/SyncSettingsIntent.kt
@@ -0,0 +1,18 @@
+package org.koitharu.kotatsu.sync.ui
+
+import android.accounts.Account
+import android.content.Intent
+import android.os.Bundle
+
+private const val ACCOUNT_KEY = "account"
+private const val ACTION_ACCOUNT_SYNC_SETTINGS = "android.settings.ACCOUNT_SYNC_SETTINGS"
+private const val EXTRA_SHOW_FRAGMENT_ARGUMENTS = ":settings:show_fragment_args"
+
+@Suppress("FunctionName")
+fun SyncSettingsIntent(account: Account): Intent {
+	val args = Bundle(1)
+	args.putParcelable(ACCOUNT_KEY, account)
+	val intent = Intent(ACTION_ACCOUNT_SYNC_SETTINGS)
+	intent.putExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS, args)
+	return intent
+}
diff --git a/app/src/main/java/org/koitharu/kotatsu/utils/ext/ThrowableExt.kt b/app/src/main/java/org/koitharu/kotatsu/utils/ext/ThrowableExt.kt
index 79ee12775..19c8c65e9 100644
--- a/app/src/main/java/org/koitharu/kotatsu/utils/ext/ThrowableExt.kt
+++ b/app/src/main/java/org/koitharu/kotatsu/utils/ext/ThrowableExt.kt
@@ -19,6 +19,7 @@ fun Throwable.getDisplayMessage(resources: Resources): String = when (this) {
 	is UnsupportedFileException -> resources.getString(R.string.text_file_not_supported)
 	is FileNotFoundException -> resources.getString(R.string.file_not_found)
 	is EmptyHistoryException -> resources.getString(R.string.history_is_empty)
+	is SyncApiException,
 	is ContentUnavailableException -> message
 	is ParseException -> shortMessage
 	is SocketTimeoutException -> resources.getString(R.string.network_error)
@@ -36,4 +37,4 @@ fun Throwable.isReportable(): Boolean {
 
 fun Throwable.report(message: String?) {
 	CaughtException(this, message).sendWithAcra()
-}
\ No newline at end of file
+}