diff --git a/app/devices/device_edit.php b/app/devices/device_edit.php
index d71af4b816..e7f01124bf 100644
--- a/app/devices/device_edit.php
+++ b/app/devices/device_edit.php
@@ -933,7 +933,7 @@
 	echo "</td>\n";
 	echo "<td class='vtable' width='70%' align='left'>\n";
 	if (permission_exists('device_address')) {
-		echo "	<input class='formfld' type='text' name='device_address' id='device_address' maxlength='255' value=\"".escape($device_address ?? '')."\"/>\n";
+		echo "	<input class='formfld' type='text' name='device_address' id='device_address' style='width: 235px;' maxlength='36' value=\"".escape($device_address ?? '')."\"/>\n";
 		echo "<br />\n";
 		echo $text['description-device_address']."\n";
 	}