diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/failure/Extensions.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/failure/Extensions.kt
index 99fc0ba8b7..462c0cd638 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/failure/Extensions.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/failure/Extensions.kt
@@ -22,6 +22,7 @@ import org.matrix.android.sdk.api.session.contentscanner.ContentScannerError
 import org.matrix.android.sdk.api.session.contentscanner.ScanFailure
 import org.matrix.android.sdk.internal.di.MoshiProvider
 import java.io.IOException
+import java.net.UnknownHostException
 import javax.net.ssl.HttpsURLConnection
 
 fun Throwable.is401() =
@@ -99,6 +100,11 @@ fun Throwable.isInvalidUIAAuth(): Boolean {
             error.flows != null
 }
 
+fun Throwable.isHomeserverUnavailable(): Boolean {
+    return this is Failure.NetworkConnection &&
+            this.ioException is UnknownHostException
+}
+
 /**
  * Try to convert to a RegistrationFlowResponse. Return null in the cases it's not possible
  */
diff --git a/vector/src/main/java/im/vector/app/features/onboarding/ftueauth/FtueAuthCombinedServerSelectionFragment.kt b/vector/src/main/java/im/vector/app/features/onboarding/ftueauth/FtueAuthCombinedServerSelectionFragment.kt
index 97e2db2123..2e6057288a 100644
--- a/vector/src/main/java/im/vector/app/features/onboarding/ftueauth/FtueAuthCombinedServerSelectionFragment.kt
+++ b/vector/src/main/java/im/vector/app/features/onboarding/ftueauth/FtueAuthCombinedServerSelectionFragment.kt
@@ -36,9 +36,8 @@ import im.vector.app.features.onboarding.OnboardingViewEvents
 import im.vector.app.features.onboarding.OnboardingViewState
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
-import org.matrix.android.sdk.api.failure.Failure
+import org.matrix.android.sdk.api.failure.isHomeserverUnavailable
 import reactivecircus.flowbinding.android.widget.textChanges
-import java.net.UnknownHostException
 import javax.inject.Inject
 
 class FtueAuthCombinedServerSelectionFragment @Inject constructor() : AbstractFtueAuthFragment<FragmentFtueServerSelectionCombinedBinding>() {
@@ -88,11 +87,9 @@ class FtueAuthCombinedServerSelectionFragment @Inject constructor() : AbstractFt
     }
 
     override fun onError(throwable: Throwable) {
-        views.chooseServerInput.error = if (throwable is Failure.NetworkConnection &&
-                throwable.ioException is UnknownHostException) {
-            getString(R.string.login_error_homeserver_not_found)
-        } else {
-            errorFormatter.toHumanReadable(throwable)
+        views.chooseServerInput.error = when {
+            throwable.isHomeserverUnavailable() -> getString(R.string.login_error_homeserver_not_found)
+            else                                -> errorFormatter.toHumanReadable(throwable)
         }
     }