XML : Android status bar scrolling up with coordinator layout, leaving status icons overlapping toolbar title

I am experiencing an issue when using Coordinator Layout that contains an AppBarLayout (holding a ToolBar and a TabLayout) and a ViewPager (holding fragments) as children. I want the topbar to be hidden when scrolling down, and revealed when scrolling back up. However when I scroll down, the status bar scrolls up as well, leaving the top bar just below the status icons, being overlapped by them.

I tried adding android:fitsSystemWindows="true" to both the AppBarLayout and the ViewPager but nothing changed.

Below the code used and snapshots showing the two states:

  <android.support.design.widget.CoordinatorLayout      xmlns:android="http://schemas.android.com/apk/res/android"      xmlns:app="http://schemas.android.com/apk/res-auto"      android:layout_width="match_parent"      android:layout_height="match_parent"      android:fitsSystemWindows="true">        <android.support.design.widget.AppBarLayout          android:layout_height="wrap_content"          android:layout_width="match_parent"          android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">            <android.support.v7.widget.Toolbar              android:id="@+id/toolbar"              android:layout_width="match_parent"              android:layout_height="?attr/actionBarSize"              android:background="?attr/colorPrimary"              app:layout_scrollFlags="scroll|enterAlways"              app:popupTheme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"/>            <android.support.design.widget.TabLayout              android:id="@+id/sliding_tabs"              android:layout_width="match_parent"              android:layout_height="wrap_content"              app:tabMaxWidth="0dp"              app:tabGravity="fill"              app:tabMode="fixed"/>        </android.support.design.widget.AppBarLayout>        <android.support.v4.view.ViewPager          android:id="@+id/viewpager"          android:layout_width="match_parent"          android:layout_height="match_parent"          app:layout_behavior="@string/appbar_scrolling_view_behavior"/>    </android.support.design.widget.CoordinatorLayout>