diff --git a/app/src/main/java/de/tadris/fitness/Instance.java b/app/src/main/java/de/tadris/fitness/Instance.java
index abf260c..220a4f7 100644
--- a/app/src/main/java/de/tadris/fitness/Instance.java
+++ b/app/src/main/java/de/tadris/fitness/Instance.java
@@ -41,6 +41,6 @@ public class Instance {
     public AppDatabase db;
 
     private Instance(Context context) {
-        db = Room.databaseBuilder(context.getApplicationContext(), AppDatabase.class, DATABASE_NAME).build();
+        db = Room.databaseBuilder(context.getApplicationContext(), AppDatabase.class, DATABASE_NAME).allowMainThreadQueries().build();
     }
 }
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 5885930..e82a4c3 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -1,11 +1,11 @@
 <resources>
 
     <!-- Base application theme. -->
-    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+    <style name="AppTheme" parent="android:Theme.Material.Light">
         <!-- Customize your theme here. -->
-        <item name="colorPrimary">@color/colorPrimary</item>
-        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
-        <item name="colorAccent">@color/colorAccent</item>
+        <item name="android:colorPrimary">@color/colorPrimary</item>
+        <item name="android:colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="android:colorAccent">@color/colorAccent</item>
     </style>
 
 </resources>