Add the following to overlayconfig.xml file only if it is missing from the file.

<Window WindowName="MiniMap Overlay" Show="true" RefreshRate="20" NotLookingRefreshRate="15" HideNotLooking="false" HideNotLookingRatio="0.94999999" Yaw="0.13480346" Pitch="0.036594536" Size="0.23893203" Alpha="0.35203856" AlphaTransparency="0.25584">

<Position X="-0.75693077" Y="0.004166781" Z="-1.4364374"/>

<Crop Left="0" Right="5" Top="0" Bottom="5"/>

<ColorBackground R="0" G="0" B="0" A="255"/>

<ColorMask R="0" G="0" B="1" A="255"/>

</Window>