diff --git a/turbojpeg.c b/turbojpeg.c
index 5b857455..61943623 100644
--- a/turbojpeg.c
+++ b/turbojpeg.c
@@ -208,6 +208,10 @@ static int setCompDefaults(struct jpeg_compress_struct *cinfo,
 		jpeg_set_colorspace(cinfo, JCS_YCCK);
 	else jpeg_set_colorspace(cinfo, JCS_YCbCr);
 
+	/* Set scan pattern again as colorspace might have changed */
+	if (cinfo->use_moz_defaults)
+		jpeg_simple_progression(cinfo);
+  
 	cinfo->comp_info[0].h_samp_factor=tjMCUWidth[subsamp]/8;
 	cinfo->comp_info[1].h_samp_factor=1;
 	cinfo->comp_info[2].h_samp_factor=1;