diff --git a/automation_graph_rules.php b/automation_graph_rules.php
index 2a7efaacd..286ada769 100644
--- a/automation_graph_rules.php
+++ b/automation_graph_rules.php
@@ -580,7 +580,8 @@ function automation_graph_rules_item_edit() : void {
 	gfrv('rule_type');
 	// ====================================================
 
-	global_item_edit(grv('id'), grv('item_id'), grv('rule_type'));
+	// Numeric validation preserves an empty ID when creating a new item.
+	global_item_edit(grv('id'), (int) grv('item_id'), grv('rule_type'));
 
 	form_hidden_box('rule_type', grv('rule_type'), grv('rule_type'));
 	form_hidden_box('id', (isrv('id') ? grv('id') : '0'), '');
diff --git a/automation_tree_rules.php b/automation_tree_rules.php
index 30240b6f5..3eed209ff 100644
--- a/automation_tree_rules.php
+++ b/automation_tree_rules.php
@@ -627,7 +627,8 @@ function automation_tree_rules_item_edit() : void {
 	}
 
 	if (!isrv('tab') || grv('tab') == 'rule') {
-		global_item_edit(grv('id'), grv('item_id'), grv('rule_type'));
+		// Numeric validation preserves an empty ID when creating a new item.
+		global_item_edit(grv('id'), (int) grv('item_id'), grv('rule_type'));
 
 		form_hidden_box('rule_type', grv('rule_type'), grv('rule_type'));
 		form_hidden_box('id', (isrv('id') ? grv('id') : '0'), '');