diff --git a/gdk-pixbuf/io-jpeg.c b/gdk-pixbuf/io-jpeg.c
index 07308e3706..c2c5ab9f3d 100644
--- a/gdk-pixbuf/io-jpeg.c
+++ b/gdk-pixbuf/io-jpeg.c
@@ -921,8 +921,8 @@ gdk_pixbuf__jpeg_image_load_increment (gpointer data,
 				}
 			}
 			
+			cinfo->scale_num = 1;
 			for (cinfo->scale_denom = 2; cinfo->scale_denom <= 8; cinfo->scale_denom *= 2) {
-				cinfo->scale_num = 1;
 				jpeg_calc_output_dimensions (cinfo);
 				if (cinfo->output_width < width || cinfo->output_height < height) {
 					cinfo->scale_denom /= 2;