diff --git a/main.c b/main.c
index 0f00e9a..5013058 100644
--- a/main.c
+++ b/main.c
@@ -249,11 +249,8 @@ save_to_png_output save_to_png(save_to_png_input input) {
 			}
 		}
 
-		// Update the scale_factor based on the DPI.
-		float scale_dpi = ((float)(input.dpi - 72) / 72) * 100;
-		scale_factor = scale_factor * (1 + (scale_dpi / 100));
-
-		fz_matrix ctm = fz_scale(scale_factor, scale_factor);
+		float resolution = (float)(input.dpi) / 72;
+		fz_matrix ctm = fz_concat(fz_scale(resolution, resolution), fz_scale(scale_factor, scale_factor));
 		bounds = fz_transform_rect(bounds, ctm);
 		fz_irect bbox = fz_round_rect(bounds);
 		pixmap = fz_new_pixmap_with_bbox(ctx, fz_device_rgb(ctx), bbox, NULL, 1);
diff --git a/misc/mupdf/lib/x86-64-linux/libmupdf-third.a b/misc/mupdf/lib/x86-64-linux/libmupdf-third.a
index 7cd763c..c22297c 100644
Binary files a/misc/mupdf/lib/x86-64-linux/libmupdf-third.a and b/misc/mupdf/lib/x86-64-linux/libmupdf-third.a differ
diff --git a/misc/mupdf/lib/x86-64-linux/libmupdf.a b/misc/mupdf/lib/x86-64-linux/libmupdf.a
index 68e36d1..5abcba5 100644
Binary files a/misc/mupdf/lib/x86-64-linux/libmupdf.a and b/misc/mupdf/lib/x86-64-linux/libmupdf.a differ