diff --git a/app/extensions/extension_edit.php b/app/extensions/extension_edit.php
index b8c58a3dc9..756e365098 100644
--- a/app/extensions/extension_edit.php
+++ b/app/extensions/extension_edit.php
@@ -1264,7 +1264,7 @@ if (count($_POST) > 0 && strlen($_POST["persistformvar"]) == 0) {
 	echo "    ".$text['label-limit_max']."\n";
 	echo "</td>\n";
 	echo "<td class='vtable' align='left'>\n";
-	echo "    <input class='formfld' type='number' name='limit_max' maxlength='255' min='1' step='1' value=\"$limit_max\">\n";
+	echo "    <input class='formfld' type='number' name='limit_max' maxlength='255' min='0' step='1' value=\"$limit_max\">\n";
 	echo "<br />\n";
 	echo $text['description-limit_max']."\n";
 	echo "</td>\n";