diff --git a/graphicscontext.go b/graphicscontext.go
index 1db531207..62ae47be8 100644
--- a/graphicscontext.go
+++ b/graphicscontext.go
@@ -71,7 +71,6 @@ func (c *graphicsContext) SetSize(screenWidth, screenHeight int, screenScale flo
 	c.offscreen = offscreen
 	c.offscreen2 = offscreen2
 	c.screenScale = screenScale
-	ui.GLContext().ResetViewportSize()
 	return nil
 }