diff --git a/editing.inc.php b/editing.inc.php
index 66492055..29d618f0 100644
--- a/editing.inc.php
+++ b/editing.inc.php
@@ -31,7 +31,7 @@ function input($name, $field, $value) {
 	} elseif (preg_match('~binary|blob~', $field["type"])) {
 		echo (ini_get("file_uploads") ? '<input type="file" name="' . $name . '"' . $onchange . ' />' : lang('File uploads are disabled.') . ' ');
 	} else {
-		echo '<input name="fields[' . $name . ']" value="' . htmlspecialchars($value) . '"' . (strlen($field["length"]) ? " maxlength='$field[length]'" : ($types[$field["type"]] ? " maxlength='" . $types[$field["type"]] . "'" : '')) . $onchange . ' />';
+		echo '<input name="fields[' . $name . ']" value="' . htmlspecialchars($value) . '"' . (preg_match('~^([0-9]+)(,([0-9]+))?$~', $field["length"], $match) ? " maxlength='" . ($match[1] + ($match[3] ? 1 : 0) + ($match[2] && !$field["unsigned"] ? 1 : 0)) . "'" : ($types[$field["type"]] ? " maxlength='" . $types[$field["type"]] . "'" : '')) . $onchange . ' />';
 	}
 	if ($field["null"] && $field["type"] != "enum") {
 		$id = "null-$name";