diff --git a/website/src/Object_Detection.jsx b/website/src/Object_Detection.jsx
index f4b85cd..b59d85a 100644
--- a/website/src/Object_Detection.jsx
+++ b/website/src/Object_Detection.jsx
@@ -52,6 +52,7 @@ function Object_Detection() {
     const drawBBox = () => {
         const video = videoRef.current;
         const canvas = canvasRefBBox.current;
+        if (!canvas) return;
 
         const ctx = ctxRefBBox.current;
         if (!ctx) return;