diff --git a/README.md b/README.md
index 096ac500..43e1b4ff 100644
--- a/README.md
+++ b/README.md
@@ -178,6 +178,7 @@ window.plugins.googleplus.disconnect(
 - A: On Android you need to execute the `keytool` steps, see the installation instructions for details.
 
 ## 8. Changelog
+4.0.1: Login on Android would crash the app if `isAvailable` was invoked beforehand.
 4.0.0: Removed the need for `iosApiKey`, reverted Android to Google playservices framework for wider compatibility, documented scopes feature a bit.
 3.0.0: Using Google Sign-In for iOS, instead of Google+.
 1.1.0: Added `isAvailable`, for issue [#37](https://github.com/EddyVerbruggen/cordova-plugin-googleplus/issues/37)
diff --git a/package.json b/package.json
index 6f4da4d2..a8269161 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "4.0.0",
+  "version": "4.0.1",
   "name": "cordova-plugin-googleplus",
   "cordova_name": "Google+",
   "description": "Use your Google account to authenticate with the app.",
diff --git a/plugin.xml b/plugin.xml
index eaedf17f..45538c4d 100755
--- a/plugin.xml
+++ b/plugin.xml
@@ -2,7 +2,7 @@
 <plugin xmlns="http://apache.org/cordova/ns/plugins/1.0"
         xmlns:android="http://schemas.android.com/apk/res/android"
         id="cordova-plugin-googleplus"
-        version="4.0.0">
+        version="4.0.1">
 
   <name>Google+</name>
 
diff --git a/src/android/GooglePlus.java b/src/android/GooglePlus.java
index a690dad1..d21a97a7 100644
--- a/src/android/GooglePlus.java
+++ b/src/android/GooglePlus.java
@@ -68,13 +68,15 @@ public void initialize(CordovaInterface cordova, CordovaWebView webView) {
   public boolean execute(String action, CordovaArgs args, CallbackContext callbackContext) throws JSONException {
     this.savedCallbackContext = callbackContext;
 
-    if (args.optJSONObject(0) != null){
+    if (args.optJSONObject(0) != null) {
       JSONObject obj = args.getJSONObject(0);
-      System.out.println(obj);
       this.webKey = obj.optString(ARGUMENT_WEB_KEY, null);
       this.apiKey = obj.optString(ARGUMENT_ANDROID_KEY, null);
       this.setupScopes(obj.optString(ARGUMENT_SCOPES, null));
+      // possible scope change, so force a rebuild of the client
+      this.mGoogleApiClient = null;
     }
+
     //It's important that we build the GoogleApiClient after setting up scopes so we know which scopes to request when setting up the google services api client.
     buildGoogleApiClient();
 
@@ -156,9 +158,9 @@ private synchronized GoogleApiClient buildGoogleApiClient() {
     }
 
     GoogleApiClient.Builder builder = new GoogleApiClient.Builder(webView.getContext())
-      .addConnectionCallbacks(this)
-      .addOnConnectionFailedListener(this)
-      .addApi(Plus.API, Plus.PlusOptions.builder().build());
+        .addConnectionCallbacks(this)
+        .addOnConnectionFailedListener(this)
+        .addApi(Plus.API, Plus.PlusOptions.builder().build());
 
     for (Scope scope : this.scopes) {
       builder.addScope(scope);
@@ -168,7 +170,6 @@ private synchronized GoogleApiClient buildGoogleApiClient() {
     return this.mGoogleApiClient;
   }
 
-  @SuppressWarnings({ "unchecked", "rawtypes" })
   private void resolveToken(final String email, final JSONObject result) {
     final Context context = this.cordova.getActivity().getApplicationContext();