diff --git a/components/layout/header.vue b/components/layout/header.vue
index 09cc5a8db..7eb1360b1 100644
--- a/components/layout/header.vue
+++ b/components/layout/header.vue
@@ -165,7 +165,7 @@
                 />
               </svg>
               <span>Firefox</span>
-              <span class="icon" v-if="firefoxExtInstalled" v-tooltip="$t('installed')">
+              <span class="icon" v-if="hasFirefoxExtInstalled" v-tooltip="$t('installed')">
                 <i class="material-icons">done</i>
               </span>
             </button>
@@ -190,7 +190,7 @@
                 />
               </svg>
               <span>Chrome</span>
-              <span class="icon" v-if="chromeExtInstalled" v-tooltip="$t('installed')">
+              <span class="icon" v-if="hasChromeExtInstalled" v-tooltip="$t('installed')">
                 <i class="material-icons">done</i>
               </span>
             </button>
@@ -286,7 +286,11 @@
 
 <script>
 import intializePwa from "../../assets/js/pwa"
-import { hasExtensionInstalled } from "../../functions/strategies/ExtensionStrategy"
+import {
+  hasExtensionInstalled,
+  hasChromeExtensionInstalled,
+  hasFirefoxExtensionInstalled,
+} from "../../functions/strategies/ExtensionStrategy"
 import { getPlatformSpecialKey } from "../../functions/platformutils"
 import firebase from "firebase/app"
 import { fb } from "../../functions/fb"
@@ -306,6 +310,8 @@ export default {
       // prompt.
       showInstallPrompt: null,
       showExtensions: false,
+      hasChromeExtInstalled: hasChromeExtensionInstalled(),
+      hasFirefoxExtInstalled: hasFirefoxExtensionInstalled(),
       showShortcuts: false,
       showSupport: false,
       fb,
diff --git a/functions/strategies/ExtensionStrategy.js b/functions/strategies/ExtensionStrategy.js
index b6fa7b56b..bfea02235 100644
--- a/functions/strategies/ExtensionStrategy.js
+++ b/functions/strategies/ExtensionStrategy.js
@@ -1,15 +1,20 @@
 export const hasExtensionInstalled = () =>
   typeof window.__POSTWOMAN_EXTENSION_HOOK__ !== "undefined"
 
+export const hasChromeExtensionInstalled = () =>
+  hasExtensionInstalled() && /Chrome/i.test(navigator.userAgent) && /Google/i.test(navigator.vendor)
+
+export const hasFirefoxExtensionInstalled = () =>
+  hasExtensionInstalled() && /Firefox/i.test(navigator.userAgent)
+
 const extensionWithProxy = async (req, { state }) => {
   const { data } = await window.__POSTWOMAN_EXTENSION_HOOK__.sendRequest({
     method: "post",
-    url:
-      state.postwoman.settings.PROXY_URL || "https://postwoman.apollosoftware.xyz/",
-    data: req
-  });
-  return data;
-};
+    url: state.postwoman.settings.PROXY_URL || "https://postwoman.apollosoftware.xyz/",
+    data: req,
+  })
+  return data
+}
 
 const extensionWithoutProxy = async (req, _store) => {
   const res = await window.__POSTWOMAN_EXTENSION_HOOK__.sendRequest(req)