diff --git a/lib/icon/module.js b/lib/icon/module.js
index 2587416b..4128eca1 100755
--- a/lib/icon/module.js
+++ b/lib/icon/module.js
@@ -4,15 +4,15 @@ const hasha = require('hasha')
 const { fork } = require('child_process')
 const { joinUrl, getRouteParams } = require('../utils')
 
-module.exports = function (iconOptions) {
-  this.nuxt.hook('build:before', () => run.call(this, iconOptions, true))
+module.exports = function (pwa) {
+  this.nuxt.hook('build:before', () => run.call(this, pwa, true))
 
   if (this.options.mode === 'spa' && !this.options.dev) {
-    return run.call(this, iconOptions, false) // Fill meta
+    return run.call(this, pwa, false) // Fill meta
   }
 }
 
-async function run (iconOptions, _emitAssets) {
+async function run (pwa, _emitAssets) {
   const { publicPath } = getRouteParams(this.options)
 
   // Defaults
@@ -34,7 +34,7 @@ async function run (iconOptions, _emitAssets) {
   // Merge options
   const options = {
     ...defaults,
-    ...iconOptions
+    ...pwa.icon
   }
 
   // Find iconSrc
@@ -49,7 +49,7 @@ async function run (iconOptions, _emitAssets) {
   await generateIcons.call(this, options)
 
   // Add manifest
-  addManifest.call(this, options)
+  addManifest.call(this, options, pwa)
 
   // Add plugin
   if (options.accessibleIcons) {
@@ -117,16 +117,15 @@ async function generateIcons (options) {
   }))
 }
 
-function addManifest (options) {
-  if (!this.options.manifest) {
-    this.options.manifest = {}
+function addManifest (options, pwa) {
+  if (!pwa.manifest) {
+    pwa.manifest = {}
   }
-
-  if (!this.options.manifest.icons) {
-    this.options.manifest.icons = []
+  if (!pwa.manifest.icons) {
+    pwa.manifest.icons = []
   }
 
-  this.options.manifest.icons.push(...options._assetIcons)
+  pwa.manifest.icons.push(...options._assetIcons)
 }
 
 function emitAssets (options) {
diff --git a/lib/manifest/module.js b/lib/manifest/module.js
index e9641441..8b0de0ce 100755
--- a/lib/manifest/module.js
+++ b/lib/manifest/module.js
@@ -2,9 +2,9 @@ const hash = require('hasha')
 
 const { joinUrl, getRouteParams, find } = require('../utils')
 
-module.exports = function nuxtManifest (manifestOptions) {
+module.exports = function nuxtManifest (pwa) {
   const hook = () => {
-    addManifest.call(this, manifestOptions)
+    addManifest.call(this, pwa)
   }
 
   if (this.options.mode === 'spa') {
@@ -14,7 +14,7 @@ module.exports = function nuxtManifest (manifestOptions) {
   this.nuxt.hook('build:before', hook)
 }
 
-function addManifest (manifestOptions) {
+function addManifest (pwa) {
   const { routerBase, publicPath } = getRouteParams(this.options)
 
   // Combine sources
@@ -31,7 +31,7 @@ function addManifest (manifestOptions) {
     lang: 'en'
   }
 
-  const options = { ...defaults, ...manifestOptions }
+  const options = { ...defaults, ...pwa.manifest }
 
   // Remve extra fields from manifest
   const manifest = { ...options }
diff --git a/lib/meta/module.js b/lib/meta/module.js
index 2c6e5bde..c4fd3b08 100755
--- a/lib/meta/module.js
+++ b/lib/meta/module.js
@@ -1,8 +1,8 @@
 const { find, isUrl } = require('../utils')
 
-module.exports = function nuxtMeta (metaOptions) {
+module.exports = function nuxtMeta (pwa) {
   const hook = () => {
-    generateMeta.call(this, metaOptions)
+    generateMeta.call(this, pwa)
   }
 
   if (this.options.mode === 'spa') {
@@ -12,7 +12,7 @@ module.exports = function nuxtMeta (metaOptions) {
   this.nuxt.hook('build:before', hook)
 }
 
-function generateMeta (metaOptions) {
+function generateMeta (pwa) {
   // Defaults
   const defaults = {
     name: process.env.npm_package_name,
@@ -40,7 +40,7 @@ function generateMeta (metaOptions) {
   }
 
   // Combine sources
-  const options = { ...defaults, ...this.options.manifest, ...metaOptions }
+  const options = { ...defaults, ...pwa.manifest, ...pwa.meta }
 
   // Default value for viewport
   if (options.viewport === undefined) {
diff --git a/lib/module.js b/lib/module.js
index e38417ed..ee252554 100755
--- a/lib/module.js
+++ b/lib/module.js
@@ -1,15 +1,32 @@
-module.exports = async function nuxtPWA (options) {
+module.exports = async function nuxtPWA (moduleOptions) {
   const modules = ['icon', 'manifest', 'meta', 'workbox']
 
-  const pwaOptions = { ...this.options.pwa, ...options }
+  // Shared options context
+  const pwa = { ...this.options.pwa, ...moduleOptions }
 
+  // Normalize options
   for (const name of modules) {
-    if (pwaOptions[name] === false || this.options[name] === false) {
+    // Skip disabled modules
+    if (pwa[name] === false) {
+      continue
+    }
+    // Ensure options are an object
+    if (pwa[name] === undefined) {
+      pwa[name] = {}
+    }
+    // Backward compatibility for top-level options
+    if (this.options[name] !== undefined) {
+      pwa[name] = { ...this.options[name], ...pwa[name] }
+    }
+  }
+
+  // Execute modules in sequence
+  for (const name of modules) {
+    if (pwa[name] === false) {
       continue
     }
     const moduleFn = require(`./${name}/module.js`)
-    const moduleOptions = { ...this.options[name], ...pwaOptions[name] }
-    await moduleFn.call(this, moduleOptions)
+    await moduleFn.call(this, pwa)
   }
 }
 
diff --git a/lib/onesignal/module.js b/lib/onesignal/module.js
index a9261f4a..a8d61060 100755
--- a/lib/onesignal/module.js
+++ b/lib/onesignal/module.js
@@ -43,7 +43,7 @@ function addOneSignal (oneSignalOptions) {
     }
   }
 
-  const options = defu(oneSignalOptions, defaults)
+  const options = defu({ ...this.options.oneSignal, ...oneSignalOptions }, defaults)
 
   if (options.OneSignalSDK === undefined) {
     if (options.cdn) {