diff --git a/src/components/CanvasBoard.vue b/src/components/CanvasBoard.vue
index a526153..59dde32 100644
--- a/src/components/CanvasBoard.vue
+++ b/src/components/CanvasBoard.vue
@@ -181,7 +181,7 @@
       async draw2dNew() {
         if (!this.canDraw) return;
         const initialState = this.randomInitialState();
-        let board = evolve2d(initialState, this.selectRules);
+        let board = evolve2d(initialState, this.selectedRules);
         if (this.loop) return this.draw2dNext(board);
         else this.draw2d(board);
         this.toggleStop();