Align the text in the toolbar with the icons

Here's how my toolbar currently looks. The text seems completely mislaid.

Here's the code:

<android.support.v7.widget.Toolbar
    android:id="@+id/toolbar"
    android:layout_width="match_parent"
    android:layout_height="56dp"
    android:background="@color/blue_grey_900"
    android:gravity="center"
    android:minHeight="?android:attr/actionBarSize"
    app:popupTheme="@style/ToolbarPopup"
    app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
    android:elevation="5dp"/>

What's causing the misalignment?