diff --git a/docs/src/components/InstallBlock/index.js b/docs/src/components/InstallBlock/index.js
index ad84b5222..ec91c8e7d 100644
--- a/docs/src/components/InstallBlock/index.js
+++ b/docs/src/components/InstallBlock/index.js
@@ -6,7 +6,11 @@ export default function InstallBlock() {
   return (
     <BrowserOnly fallback={<div>Loading...</div>}>
       {() => {
-        const distinct_id = window.posthog.get_distinct_id()
+        if (window.posthog && typeof window.posthog.get_distinct_id === "function") {
+          const distinct_id = window.posthog.get_distinct_id()
+        } else {
+          const distinct_id = "posthog-blocked"
+        }
 
         return (
           <CodeBlock language="bash">