diff --git a/client/src/Board.js b/client/src/Board.js
index 9e65369..223382b 100644
--- a/client/src/Board.js
+++ b/client/src/Board.js
@@ -132,9 +132,7 @@ const Board = () => {
   const refWsMessage = useRef(onWsMessage);
   useEffect(() => { refWsMessage.current = onWsMessage; });
   useEffect(() => {
-    if (!ws) {
-      return;
-    }
+    if (!ws) { return; }
     console.log('board - bind');
     const cbMessage = e => refWsMessage.current(e);
     ws.addEventListener('message', cbMessage);
@@ -177,7 +175,7 @@ const Board = () => {
       _transform = height / (450.);
     }
     
-    if (transform !== transform) {
+    if (transform !== _transform) {
       setTransform(_transform);
     }
   }, 250);