diff --git a/src/components/draw_area.jsx b/src/components/draw_area.jsx
index 5e3e121..12e71b5 100644
--- a/src/components/draw_area.jsx
+++ b/src/components/draw_area.jsx
@@ -122,6 +122,7 @@ export default function Canvas(props) {
           {props.rectangles.map((rectangle) => (
             <Rect
               key={rectangle.id}
+              id={rectangle.id}
               x={rectangle.x}
               y={rectangle.y}
               label={rectangle.label}
diff --git a/src/components/rect.jsx b/src/components/rect.jsx
index 96a5b6f..95e4dff 100644
--- a/src/components/rect.jsx
+++ b/src/components/rect.jsx
@@ -65,7 +65,7 @@ const Rect = (props) => {
           props.setLinks([
             ...props.links,
             {
-              rect: `${props.id}`,
+              rect: props.id,
               node: Node.LEFT,
               x: props.x,
               y: props.y + props.height / 2,