diff --git a/fastlane/metadata/android/en-US/changelogs/401.txt b/fastlane/metadata/android/en-US/changelogs/401.txt
index 35bc0e1..423c52e 100644
--- a/fastlane/metadata/android/en-US/changelogs/401.txt
+++ b/fastlane/metadata/android/en-US/changelogs/401.txt
@@ -5,3 +5,4 @@ Improved
 Fixed
 
 • Catch exceptions when launching PDF viewer.
+• If receive 404 error when loading show settings page.
diff --git a/lms-material/src/main/java/com/craigd/lmsmaterial/app/MainActivity.java b/lms-material/src/main/java/com/craigd/lmsmaterial/app/MainActivity.java
index 4e159bb..1d5d8ba 100644
--- a/lms-material/src/main/java/com/craigd/lmsmaterial/app/MainActivity.java
+++ b/lms-material/src/main/java/com/craigd/lmsmaterial/app/MainActivity.java
@@ -46,6 +46,7 @@
 import android.webkit.WebChromeClient;
 import android.webkit.WebResourceError;
 import android.webkit.WebResourceRequest;
+import android.webkit.WebResourceResponse;
 import android.webkit.WebSettings;
 import android.webkit.WebView;
 import android.webkit.WebViewClient;
@@ -592,6 +593,18 @@ public void onPageStarted(WebView view, String u, Bitmap favicon) {
                 super.onPageStarted(view, u, favicon);
             }
 
+            @Override
+            public void onReceivedHttpError(WebView view, WebResourceRequest request, WebResourceResponse errorResponse) {
+                Log.d(TAG, "onReceivedHttpError url:" + request.getUrl() + ", mf:" + request.isForMainFrame() + ", sc:" + errorResponse.getStatusCode());
+                if (request.isForMainFrame() && 404== errorResponse.getStatusCode() && request.getUrl().toString().equals(getConfiguredUrl())) {
+                    pageError = true;
+                    //discoverServer(false);
+                    pageLoadHandler.removeCallbacks(pageLoadTimeout);
+                    navigateToSettingsActivity();
+                }
+                super.onReceivedHttpError(view, request, errorResponse);
+            }
+
             @Override
             public void onReceivedError(WebView view, WebResourceRequest request, WebResourceError error) {
                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {