diff --git a/README.md b/README.md
index b6836052..8210bf77 100644
--- a/README.md
+++ b/README.md
@@ -106,6 +106,7 @@ Add SFU parameter in your local config `./public/config.yml`:
 ```
 
 Run backend components:
+
 ```
 yarn backend
 ```
diff --git a/src/analytics/PosthogAnalytics.ts b/src/analytics/PosthogAnalytics.ts
index fad315b1..9397eb87 100644
--- a/src/analytics/PosthogAnalytics.ts
+++ b/src/analytics/PosthogAnalytics.ts
@@ -70,6 +70,7 @@ export enum RegistrationType {
 interface PlatformProperties {
   appVersion: string;
   matrixBackend: "embedded" | "jssdk";
+  callBackend: "livekit" | "full-mesh";
 }
 
 interface PosthogSettings {
@@ -191,6 +192,7 @@ export class PosthogAnalytics {
     return {
       appVersion,
       matrixBackend: widget ? "embedded" : "jssdk",
+      callBackend: "livekit",
     };
   }
 
diff --git a/src/settings/submit-rageshake.ts b/src/settings/submit-rageshake.ts
index 050f7827..e5200c31 100644
--- a/src/settings/submit-rageshake.ts
+++ b/src/settings/submit-rageshake.ts
@@ -101,6 +101,7 @@ export function useSubmitRageshake(): {
         body.append("user_agent", userAgent);
         body.append("installed_pwa", "false");
         body.append("touch_input", touchInput);
+        body.append("call_backend", "livekit");
 
         if (client) {
           const userId = client.getUserId();