diff --git a/coders/sgi.c b/coders/sgi.c
index ecbb489..1b83a72 100644
--- a/coders/sgi.c
+++ b/coders/sgi.c
@@ -908,7 +908,7 @@
       Initialize SGI raster file header.
     */
     if (IsRGBColorspace(image->colorspace) == MagickFalse)
-      (void) TransformImageColorspace(image,RGBColorspace,exception);
+      (void) TransformImageColorspace(image,sRGBColorspace,exception);
     (void) ResetMagickMemory(&iris_info,0,sizeof(iris_info));
     iris_info.magic=0x01DA;
     compression=image->compression;