diff --git a/src/biz/bokhorst/xprivacy/XActivityThread.java b/src/biz/bokhorst/xprivacy/XActivityThread.java
index fe198b66e..21df9ce05 100644
--- a/src/biz/bokhorst/xprivacy/XActivityThread.java
+++ b/src/biz/bokhorst/xprivacy/XActivityThread.java
@@ -10,6 +10,7 @@
 import android.annotation.SuppressLint;
 import android.content.BroadcastReceiver;
 import android.content.Intent;
+import android.net.Uri;
 import android.nfc.NfcAdapter;
 import android.os.Binder;
 import android.os.Build;
@@ -140,6 +141,19 @@ protected void before(MethodHookParam param) throws Throwable {
 												.getDefacedProp(Binder.getCallingUid(), "PhoneNumber"));
 								}
 							}
+						} else if (getRestrictionName().equals(PrivacyManager.cSystem)) {
+							String[] packageNames;
+							if (action.equals(Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE)
+									|| action.equals(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE))
+								packageNames = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST);
+							else
+								packageNames = new String[] { intent.getData().getEncodedSchemeSpecificPart() };
+							for (String packageName : packageNames)
+								if (!XApplicationPackageManager.isPackageAllowed(packageName)) {
+									finish(param);
+									param.setResult(null);
+									break;
+								}
 						} else if (isRestricted(param, mActionName)) {
 							finish(param);
 							param.setResult(null);
diff --git a/src/biz/bokhorst/xprivacy/XApplicationPackageManager.java b/src/biz/bokhorst/xprivacy/XApplicationPackageManager.java
index 9fe426d71..0b4cc227d 100644
--- a/src/biz/bokhorst/xprivacy/XApplicationPackageManager.java
+++ b/src/biz/bokhorst/xprivacy/XApplicationPackageManager.java
@@ -94,7 +94,7 @@ protected boolean isRestricted(MethodHookParam param) throws Throwable {
 	private List<ApplicationInfo> filterApplicationInfo(List<ApplicationInfo> original) {
 		ArrayList<ApplicationInfo> result = new ArrayList<ApplicationInfo>();
 		for (ApplicationInfo appInfo : original)
-			if (packageAllowed(appInfo.packageName))
+			if (isPackageAllowed(appInfo.packageName))
 				result.add(appInfo);
 		return result;
 	}
@@ -102,7 +102,7 @@ private List<ApplicationInfo> filterApplicationInfo(List<ApplicationInfo> origin
 	private List<PackageInfo> filterPackageInfo(List<PackageInfo> original) {
 		ArrayList<PackageInfo> result = new ArrayList<PackageInfo>();
 		for (PackageInfo appInfo : original)
-			if (packageAllowed(appInfo.packageName))
+			if (isPackageAllowed(appInfo.packageName))
 				result.add(appInfo);
 		return result;
 	}
@@ -110,7 +110,7 @@ private List<PackageInfo> filterPackageInfo(List<PackageInfo> original) {
 	private List<ProviderInfo> filterProviderInfo(List<ProviderInfo> original) {
 		ArrayList<ProviderInfo> result = new ArrayList<ProviderInfo>();
 		for (ProviderInfo appInfo : original)
-			if (packageAllowed(appInfo.packageName))
+			if (isPackageAllowed(appInfo.packageName))
 				result.add(appInfo);
 		return result;
 	}
@@ -118,12 +118,12 @@ private List<ProviderInfo> filterProviderInfo(List<ProviderInfo> original) {
 	private List<ResolveInfo> filterResolveInfo(List<ResolveInfo> original) {
 		ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>();
 		for (ResolveInfo appInfo : original)
-			if (packageAllowed(appInfo.resolvePackageName))
+			if (isPackageAllowed(appInfo.resolvePackageName))
 				result.add(appInfo);
 		return result;
 	}
 
-	private boolean packageAllowed(String packageName) {
+	public static boolean isPackageAllowed(String packageName) {
 		return PrivacyManager.getSettingBool(null, null, 0, String.format("Application.%s", packageName), false, true);
 	}
 }