diff --git a/app/app.iml b/app/app.iml
index 65fa877..ef32e5b 100644
--- a/app/app.iml
+++ b/app/app.iml
@@ -58,7 +58,6 @@
       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/rs" isTestSource="true" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates" />
       <excludeFolder url="file://$MODULE_DIR$/build/outputs" />
-      <excludeFolder url="file://$MODULE_DIR$/build/tmp" />
     </content>
     <orderEntry type="jdk" jdkName="Android API 19 Platform" jdkType="Android SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
diff --git a/app/src/main/java/com/nutomic/zertman/MainActivity.java b/app/src/main/java/com/nutomic/zertman/MainActivity.java
index 8c387be..7ad71b8 100644
--- a/app/src/main/java/com/nutomic/zertman/MainActivity.java
+++ b/app/src/main/java/com/nutomic/zertman/MainActivity.java
@@ -5,6 +5,7 @@ import android.app.ListActivity;
 import android.content.DialogInterface;
 import android.os.Bundle;
 import android.widget.ListView;
+import android.widget.TextView;
 
 import java.util.List;
 
@@ -12,8 +13,6 @@ import eu.chainfire.libsuperuser.Shell;
 
 public class MainActivity extends ListActivity {
 
-	private ListView mListView;
-
 	private CertificateAdapter mCertificateAdapter;
 
 	private CertificateManager mCertificateManager;
@@ -31,14 +30,14 @@ public class MainActivity extends ListActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-	    mListView = getListView();
+	    setContentView(R.layout.main_activity);
 	    mCertificateManager = new CertificateManager();
 	    mMovedCertificatesStorage = new MovedCertificatesStorage(this);
 	    mCertificateAdapter =
 			    new CertificateAdapter(this, mCertificateManager, mMovedCertificatesStorage);
 		mCertificateAdapter.onCertificateChanged();
 	    mCertificateManager.setOnCertificateChangedListener(mCertificateAdapter);
-	    mListView.setAdapter(mCertificateAdapter);
+	    setListAdapter(mCertificateAdapter);
 
 	    mMoveCertificatesDialog = new AlertDialog.Builder(this)
 			    .setTitle(R.string.dialog_move_certs_title)
diff --git a/app/src/main/res/layout/main_activity.xml b/app/src/main/res/layout/main_activity.xml
new file mode 100644
index 0000000..ce68687
--- /dev/null
+++ b/app/src/main/res/layout/main_activity.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent" >
+
+	<ListView
+		android:id="@android:id/list"
+		android:layout_width="match_parent"
+		android:layout_height="match_parent" />
+
+	<TextView
+		android:id="@android:id/empty"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:text="@string/cert_list_empty"
+		android:layout_centerInParent="true" />
+
+</RelativeLayout>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 056e15f..9a4380c 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -15,4 +15,6 @@
 
 	<string name="dialog_no_root_message">This app requires root access to work. Make sure your device is rooted and try again.</string>
 
+	<string name="cert_list_empty">No certificates found. Please install a certificate to use this app.</string>
+
 </resources>