diff --git a/leaf.php b/leaf.php
index cd8ab22..d665d79 100644
--- a/leaf.php
+++ b/leaf.php
@@ -2,7 +2,7 @@
 <?php
 
 // Leaf - Tools for Book Scans
-$version = "0.6.0";
+$version = "0.6.1";
 $time_start = microtime(true);
 
 // Functions
@@ -173,22 +173,32 @@ echo Welcome("Batch set EXIF resolution tags");
 /////////////////////////////////////////////////////////////////////////
 
 $files = glob(args("dir")."*.*");
-if (null !== args("x")) {
+
+if (args("height")) {
+	$height = args("height");
+	} elseif (args("x")) {
 	$x = args("x");
 	} else {
 	msg("No resolution value",1);
 	}
 
 foreach ($files as $file) {
-	echo "Processing ".$file;
+	echo "Processing ".$file.": ";
 	$ext = pathinfo($file, PATHINFO_EXTENSION);
+	if ($height) {
+		list ($imwidth, $imheight) = getimagesize($file);
+		$x = floor($imheight/$height);
+		}
 	if ($ext == "jpg" | $ext == "JPG") {
-		exec("exiftool -overwrite_original -Xresolution=".$x." -Yresolution=".$x." ".$file);
+		exec("exiftool -overwrite_original -Xresolution=".$x." -Yresolution=".$x." -jfif:Xresolution=".$x." -jfif:Yresolution=".$x." ".$file);
+		echo "set DPI to ".$x;
 		} elseif ($ext == "DNG") {
 		exec("exiftool -overwrite_original -Xresolution=".$x." -Yresolution=".$x." -SubIFD:Xresolution=".$x." -SubIFD:Yresolution=".$x." -SubIFD1:Xresolution=".$x." -SubIFD1:Yresolution=".$x." ".$file);
+		echo "set DPI to ".$x;
 		} elseif ($ext == "png") {
 		$res = $x*39.37007874016;
 		exec("exiftool -overwrite_original -PixelsPerUnitX=".$res." -PixelsPerUnitY=".$res." ".$file);
+		echo "set DPI to ".$res;
 		} else {
 		echo " -> skip";
 		}