diff --git a/src/hybridSimulation.js b/src/hybridSimulation.js
index 8fe8aee..77d6258 100644
--- a/src/hybridSimulation.js
+++ b/src/hybridSimulation.js
@@ -188,7 +188,7 @@ export default function (sim, forceS, forceF) {
     },
 
     simulation: function (_) {
-      return arguments.length ? (toInit = true, simulation = _, hybrid) : simulation;
+      return arguments.length ? (initAlready = false, simulation = _, hybrid) : simulation;
     },
 
     forceSample: function (_) {
diff --git a/src/t-sne.js b/src/t-sne.js
index 3cbade4..aabfebd 100644
--- a/src/t-sne.js
+++ b/src/t-sne.js
@@ -1,3 +1,4 @@
+/* eslint-disable block-scoped-var */
 import constant from "./constant";
 
 /**