diff --git a/app/Graph.js b/app/Graph.js
index 9f532a8..2c55ece 100644
--- a/app/Graph.js
+++ b/app/Graph.js
@@ -105,14 +105,14 @@ const Graph = ({nodes, edges, render}) =>
 
     useEffect(() =>
     {
-        const center = new Springy.Vector(
+        const center = () => new Springy.Vector(
             window.innerWidth / 2,
             window.innerHeight / 2
         );
 
         const scale = 50;
-        const coordsToScreen = vec => vec.multiply(scale).add(center);
-        const screenToCoords = vec => vec.subtract(center).divide(scale);
+        const coordsToScreen = vec => vec.multiply(scale).add(center());
+        const screenToCoords = vec => vec.subtract(center()).divide(scale);
 
         layout.start(() =>
         {