diff --git a/image.go b/image.go
index d3c6b230f..76d963285 100644
--- a/image.go
+++ b/image.go
@@ -589,7 +589,7 @@ func (i *Image) DrawTrianglesShader(vertices []Vertex, indices []uint16, shader
 		offsets[i][1] = float32(y - sy)
 	}
 
-	i.image.DrawTriangles(imgs, vs, is, affine.ColorMIdentity{}, mode, graphicsdriver.FilterNearest, graphicsdriver.AddressUnsafe, i.adjustedRegion(), sr, offsets, shader.shader, shader.convertUniforms(options.Uniforms), options.FillRule == EvenOdd, false)
+	i.image.DrawTriangles(imgs, vs, is, affine.ColorMIdentity{}, mode, graphicsdriver.FilterNearest, graphicsdriver.AddressUnsafe, i.adjustedRegion(), sr, offsets, shader.shader, shader.convertUniforms(options.Uniforms), options.FillRule == EvenOdd, true)
 }
 
 // DrawRectShaderOptions represents options for DrawRectShader.
@@ -690,7 +690,7 @@ func (i *Image) DrawRectShader(width, height int, shader *Shader, options *DrawR
 		offsets[i][1] = float32(y - sy)
 	}
 
-	i.image.DrawTriangles(imgs, vs, is, affine.ColorMIdentity{}, mode, graphicsdriver.FilterNearest, graphicsdriver.AddressUnsafe, i.adjustedRegion(), sr, offsets, shader.shader, shader.convertUniforms(options.Uniforms), false, canSkipMipmap(options.GeoM, graphicsdriver.FilterNearest))
+	i.image.DrawTriangles(imgs, vs, is, affine.ColorMIdentity{}, mode, graphicsdriver.FilterNearest, graphicsdriver.AddressUnsafe, i.adjustedRegion(), sr, offsets, shader.shader, shader.convertUniforms(options.Uniforms), false, true)
 }
 
 // SubImage returns an image representing the portion of the image p visible through r.