diff --git a/coders/exr.c b/coders/exr.c
index a992e78..e481272 100644
--- a/coders/exr.c
+++ b/coders/exr.c
@@ -431,16 +431,16 @@
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
- ImfFloatToHalf(QuantumScale*p->red,&half_quantum);
+ ImfFloatToHalf(QuantumScale*GetRedPixelComponent(p),&half_quantum);
scanline[x].r=half_quantum;
- ImfFloatToHalf(QuantumScale*p->green,&half_quantum);
+ ImfFloatToHalf(QuantumScale*GetGreenPixelComponent(p),&half_quantum);
scanline[x].g=half_quantum;
- ImfFloatToHalf(QuantumScale*p->blue,&half_quantum);
+ ImfFloatToHalf(QuantumScale*GetBluePixelComponent(p),&half_quantum);
scanline[x].b=half_quantum;
if (image->matte == MagickFalse)
ImfFloatToHalf(1.0,&half_quantum);
else
- ImfFloatToHalf(1.0-QuantumScale*p->opacity,&half_quantum);
+ ImfFloatToHalf(1.0-QuantumScale*GetOpacityPixelComponent(p),&half_quantum);
scanline[x].a=half_quantum;
p++;
}