blending – Substance Painter: Fix color addition

Substance Painter appears to add colors together wrongly when selecting “Normal Blending Mode”

The right side is what photoshop does correctly, meaning R+G+B values in the border region never exceed 255. On the left side is what Substance Painter does incorrectly, the green dot appears to have a glow around it.

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If there is no quick way to fix this, I will have to export Red and Green and Blue layers individually and blend them together in Photoshop.