diff --git a/extension/manifest.json b/extension/manifest.json
index 8f61054..19cbda0 100644
--- a/extension/manifest.json
+++ b/extension/manifest.json
@@ -1,7 +1,7 @@
 {
   "name": "__MSG_Name__",
   "short_name": "xToTwitter",
-  "version": "3.0.0",
+  "version": "3.0.1",
   "manifest_version": 3,
   "description": "__MSG_Description__",
   "default_locale": "en",
diff --git a/src/main.ts b/src/main.ts
index 76dd38f..c747ad0 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -29,11 +29,14 @@ function envChecker() {
     if (GM_info.scriptHandler === "Userscripts") {
       return "userscript_ios";
     }
-    if (GM_info.userAgentData.platform === "Windows") {
-      return "userscript_windows";
-    } else {
-      return "userscript_not_windows";
+
+    if (typeof GM_info.userAgentData !== "undefined") {
+      if (GM_info.userAgentData.platform === "Windows") {
+        return "userscript_windows";
+      }
     }
+
+    return "userscript_not_windows";
   } else {
     return "extension";
   }
@@ -103,7 +106,7 @@ function headFound(
     }
   }, 100);
 
-  styleInject(head);
+  styleInject(head, env);
 }
 
 function main() {
diff --git a/src/methods/styleInject.ts b/src/methods/styleInject.ts
index f490e05..fade4ae 100644
--- a/src/methods/styleInject.ts
+++ b/src/methods/styleInject.ts
@@ -3,7 +3,14 @@ import { colors, paths } from "../values";
 /**
  * Add style to head
  */
-export function styleInject(head: Element) {
+export function styleInject(
+  head: Element,
+  env:
+    | "userscript_ios"
+    | "userscript_windows"
+    | "userscript_not_windows"
+    | "extension"
+) {
   const style = document.createElement("style");
 
   const verifiedSelector = `a[href="/i/verified-choose"] > div > div > svg > g > path`;
@@ -50,6 +57,9 @@ export function styleInject(head: Element) {
       d:path("${paths.oldHomePath}");
     }
 
+    ${
+      env === "extension" || env === "userscript_windows"
+        ? `
     a[data-testid="SideNav_NewTweet_Button"], button[data-testid="tweetButtonInline"], button[data-testid="tweetButtonInline"], button[data-testid="tweetButton"] {
       background-color: var(--x-to-twitter-theme)!important;
     }
@@ -57,6 +67,9 @@ export function styleInject(head: Element) {
     a[data-testid="SideNav_NewTweet_Button"] div[dir="ltr"], a[data-testid="SideNav_NewTweet_Button"] > div[dir="ltr"] > svg,  button[data-testid="tweetButtonInline"] div[dir="ltr"], button[data-testid="tweetButtonInline"] div[dir="ltr"], button[data-testid="tweetButton"] div[dir="ltr"]  {
       color: rgb(255, 255, 255)!important;
     }
+    `
+        : ""
+    }
     `;
   head.appendChild(style);
 }