diff --git a/src/module.json b/src/module.json
index f4e7387..46fc0b0 100644
--- a/src/module.json
+++ b/src/module.json
@@ -10,8 +10,8 @@
       "email": "johannes.loher@fg4f.de"
     }
   ],
-  "minimumCoreVersion": "0.8.8",
-  "compatibleCoreVersion": "0.8.9",
+  "minimumCoreVersion": "9.236",
+  "compatibleCoreVersion": "9",
   "esmodules": ["module/darkness-dependent-vision.js"],
   "languages": [
     {
diff --git a/src/module/hooks/init.js b/src/module/hooks/init.js
index 5823778..4e4d0e3 100644
--- a/src/module/hooks/init.js
+++ b/src/module/hooks/init.js
@@ -7,7 +7,7 @@ import registerHandlebarsPartials from '../handlebars-partials';
 import logger from '../logger';
 import registerSettings from '../setiings';
 import { libWrapper } from '../shims/libWrapperShim';
-import { getBrightRadius, getDimRadius, updateSource } from '../wrappers/token';
+import { getBrightRadius, getDimRadius, updateVisionSource } from '../wrappers/token';
 
 export default function registerForInitHook() {
   Hooks.on('init', onInit);
@@ -30,7 +30,12 @@ async function onInit() {
     logger.warn(`Failed to override ${brightRadiusTarget}, some things might not work correctly:`, e);
   }
 
-  libWrapper.register(packageName, 'Token.prototype.updateSource', updateSource, 'WRAPPER');
+  const updateVisionSourceTarget = 'Token.prototype.updateVisionSource';
+  try {
+    libWrapper.register(packageName, updateVisionSourceTarget, updateVisionSource, 'OVERRIDE');
+  } catch (e) {
+    logger.warn(`Failed to override ${updateVisionSourceTarget}, some things might not work correctly:`, e);
+  }
 
   registerSettings();
   await registerHandlebarsPartials();
diff --git a/src/module/hooks/renderTokenConfig.js b/src/module/hooks/renderTokenConfig.js
index cf6d08b..8aa3763 100644
--- a/src/module/hooks/renderTokenConfig.js
+++ b/src/module/hooks/renderTokenConfig.js
@@ -16,6 +16,6 @@ async function onRenderTokenConfig(app, html, data) {
     'modules/darkness-dependent-vision/templates/darkness-dependent-vision-config-form-groups.hbs',
     data,
   );
-  html.find(`div[data-tab="vision"] .form-group input[name="brightSight"]`).parent().after(contents);
+  html.find(`div[data-tab="vision"] .form-group`).last().after(contents);
   app.setPosition({ height: 'auto' });
 }
diff --git a/src/module/hooks/updateScene.js b/src/module/hooks/updateScene.js
index f9690d1..8b9b4eb 100644
--- a/src/module/hooks/updateScene.js
+++ b/src/module/hooks/updateScene.js
@@ -8,6 +8,6 @@ export default function registerForUpdateSceneHook() {
 
 function onUpdateScene(scene, change) {
   if (change.darkness != null) {
-    scene.getEmbeddedCollection('Token').forEach((tokenDocument) => tokenDocument.object.updateSource());
+    scene.getEmbeddedCollection('Token').forEach((tokenDocument) => tokenDocument.object.updateVisionSource());
   }
 }
diff --git a/src/module/hooks/updateToken.js b/src/module/hooks/updateToken.js
index b83c687..ebe601a 100644
--- a/src/module/hooks/updateToken.js
+++ b/src/module/hooks/updateToken.js
@@ -7,13 +7,13 @@ export default function registerForUpdateTokenHook() {
 }
 
 function onUpdateToken(token, change) {
-  const shouldUpdateSource = [
+  const shouldUpdateVisionSource = [
     'dimVisionDarknessMin',
     'dimVisionDarknessMax',
     'brightVisionDarknessMin',
     'brightVisionDarknessMax',
   ].some((flagKey) => `flags.darkness-dependent-vision.${flagKey}` in foundry.utils.flattenObject(change));
-  if (shouldUpdateSource) {
-    token.object.updateSource();
+  if (shouldUpdateVisionSource) {
+    token.object.updateVisionSource();
   }
 }
diff --git a/src/module/wrappers/token.js b/src/module/wrappers/token.js
index 51c8e4a..ed1acb6 100644
--- a/src/module/wrappers/token.js
+++ b/src/module/wrappers/token.js
@@ -25,23 +25,19 @@ export function getBrightRadius() {
 }
 
 /**
- * Update the light and vision source objects associated with this Token
- * @typedef {({defer, deleted, noUpdateFog}?: {defer?: boolean, deleted?: boolean, noUpdateFog?: boolean}) => void} UpdateSourceFunction
- * @param {UpdateSourceFunction} wrapped       The function that is wrapped by this function and needs to be called next in the chain
- * @param {boolean}              [defer]       Defer refreshing the SightLayer to manually call that refresh later.
- * @param {boolean}              [deleted]     Indicate that this light source has been deleted.
- * @param {boolean}              [noUpdateFog] Never update the Fog exploration progress for this update.
+ * Update an Token vision source associated for this token.
+ * @param {boolean} [defer]           Defer refreshing the LightingLayer to manually call that refresh later.
+ * @param {boolean} [deleted]         Indicate that this vision source has been deleted.
+ * @param {boolean} [skipUpdateFog]   Never update the Fog exploration progress for this update.
  */
-export function updateSource(wrapped, { defer = false, deleted = false, noUpdateFog = false } = {}) {
-  wrapped({ defer, deleted, noUpdateFog });
-
-  // Prepare some common data
+export function updateVisionSource({ defer = false, deleted = false, skipUpdateFog = false } = {}) {
+  // Prepare data
   const origin = this.getSightOrigin();
   const sourceId = this.sourceId;
   const d = canvas.dimensions;
-
-  // Update vision source
   const isVisionSource = this._isVisionSource();
+
+  // Initialize vision source
   if (isVisionSource && !deleted) {
     const dimSight = getDimVision.call(this);
     const brightSight = getBrightVision.call(this);
@@ -56,14 +52,16 @@ export function updateSource(wrapped, { defer = false, deleted = false, noUpdate
       rotation: this.data.rotation,
     });
     canvas.sight.sources.set(sourceId, this.vision);
-    if (!defer) {
-      this.vision.drawLight();
-      canvas.sight.refresh({ noUpdateFog });
-    }
-  } else {
-    canvas.sight.sources.delete(sourceId);
-    if (isVisionSource && !defer) canvas.sight.refresh();
   }
+
+  // Remove vision source
+  else canvas.sight.sources.delete(sourceId);
+
+  // Schedule a perception update
+  if (!defer && (isVisionSource || deleted))
+    canvas.perception.schedule({
+      sight: { refresh: true, skipUpdateFog },
+    });
 }
 
 /**
diff --git a/src/templates/darkness-dependent-vision-config-form-groups.hbs b/src/templates/darkness-dependent-vision-config-form-groups.hbs
index 7278b5b..e0d00e3 100644
--- a/src/templates/darkness-dependent-vision-config-form-groups.hbs
+++ b/src/templates/darkness-dependent-vision-config-form-groups.hbs
@@ -4,7 +4,7 @@ SPDX-FileCopyrightText: 2021 Johannes Loher
 SPDX-License-Identifier: MIT
 --}}
 
-<div class="form-group">
+<div class="form-group slim">
   <label>{{ localize 'DarknessDependentVision.DimVisionDarknessRange' }}</label>
   <div class="form-fields">
     <label for="flags.darkness-dependent-vision.dimVisionDarknessMin">{{ localize "Between" }}</label>
@@ -19,7 +19,7 @@ SPDX-License-Identifier: MIT
   <p class="hint">{{ localize "DarknessDependentVision.DimVisionDarknessRangeHint" }}</p>
 </div>
 
-<div class="form-group">
+<div class="form-group slim">
   <label>{{ localize 'DarknessDependentVision.BrightVisionDarknessRange' }}</label>
   <div class="form-fields">
     <label for="flags.darkness-dependent-vision.brightVisionDarknessMin">{{ localize "Between" }}</label>