diff --git a/apps/canvas/front/src/components/node-rect.tsx b/apps/canvas/front/src/components/node-rect.tsx
index 362dc54..99dbd82 100644
--- a/apps/canvas/front/src/components/node-rect.tsx
+++ b/apps/canvas/front/src/components/node-rect.tsx
@@ -7,7 +7,7 @@
 	selected?: boolean;
 	children: React.ReactNode;
 	type: NodeType;
-	state: string | null;
+	state?: string | null;
 };
 
 export function NodeRect(p: Props) {