diff --git a/src/ClientContext.tsx b/src/ClientContext.tsx
index 46dfe5a..6a7d175 100644
--- a/src/ClientContext.tsx
+++ b/src/ClientContext.tsx
@@ -342,6 +342,8 @@ export const ClientProvider: FC<Props> = ({ children }) => {
   useEffect(() => {
     window.matrixclient = client;
     window.isPasswordlessUser = isPasswordlessUser;
+
+    PosthogAnalytics.instance.onLoginStatusChanged();
   }, [client, isPasswordlessUser]);
 
   if (error) {
diff --git a/src/analytics/PosthogAnalytics.ts b/src/analytics/PosthogAnalytics.ts
index e2e8fda..0f8ba38 100644
--- a/src/analytics/PosthogAnalytics.ts
+++ b/src/analytics/PosthogAnalytics.ts
@@ -227,7 +227,7 @@ export class PosthogAnalytics {
       .join("");
   }
 
-  public async identifyUser(analyticsIdGenerator: () => string) {
+  private async identifyUser(analyticsIdGenerator: () => string) {
     if (this.anonymity == Anonymity.Pseudonymous && this.enabled) {
       // Check the user's account_data for an analytics ID to use. Storing the ID in account_data allows
       // different devices to send the same ID.
@@ -319,7 +319,12 @@ export class PosthogAnalytics {
     this.setAnonymity(Anonymity.Disabled);
   }
 
-  public updateSuperProperties() {
+  public onLoginStatusChanged(): void {
+    const optInAnalytics = getSetting("opt-in-analytics", false);
+    this.updateAnonymityAndIdentifyUser(optInAnalytics);
+  }
+
+  private updateSuperProperties() {
     // Update super properties in posthog with our platform (app version, platform).
     // These properties will be subsequently passed in every event.
     //
@@ -339,7 +344,7 @@ export class PosthogAnalytics {
     return this.eventSignup.getSignupEndTime() > new Date(0);
   }
 
-  public async updateAnonymityAndIdentifyUser(
+  private async updateAnonymityAndIdentifyUser(
     pseudonymousOptIn: boolean
   ): Promise<void> {
     // Update this.anonymity based on the user's analytics opt-in settings
@@ -348,6 +353,10 @@ export class PosthogAnalytics {
       : Anonymity.Disabled;
     this.setAnonymity(anonymity);
 
+    // We may not yet have a Matrix client at this point, if not, bail. This should get
+    // triggered again by onLoginStatusChanged once we do have a client.
+    if (!window.matrixclient) return;
+
     if (anonymity === Anonymity.Pseudonymous) {
       this.setRegistrationType(
         window.matrixclient.isGuest() || window.isPasswordlessUser
@@ -385,7 +394,7 @@ export class PosthogAnalytics {
     this.capture(eventName, properties, options);
   }
 
-  public startListeningToSettingsChanges(): void {
+  private startListeningToSettingsChanges(): void {
     // Listen to account data changes from sync so we can observe changes to relevant flags and update.
     // This is called -
     //  * On page load, when the account data is first received by sync
diff --git a/src/otel/OTelGroupCallMembership.ts b/src/otel/OTelGroupCallMembership.ts
index 8aa24c7..14c0f98 100644
--- a/src/otel/OTelGroupCallMembership.ts
+++ b/src/otel/OTelGroupCallMembership.ts
@@ -124,6 +124,8 @@ export class OTelGroupCallMembership {
   }
 
   public onJoinCall() {
+    if (!ElementCallOpenTelemetry.instance) return;
+
     // Create the main span that tracks the time we intend to be in the call
     this.callMembershipSpan =
       ElementCallOpenTelemetry.instance.tracer.startSpan(
@@ -174,7 +176,7 @@ export class OTelGroupCallMembership {
     for (const [userId, userCalls] of calls.entries()) {
       for (const [deviceId, call] of userCalls.entries()) {
         if (!this.callsByCallId.has(call.callId)) {
-          const span = ElementCallOpenTelemetry.instance.tracer.startSpan(
+          const span = ElementCallOpenTelemetry.instance?.tracer.startSpan(
             `matrix.call`,
             undefined,
             this.groupCallContext
@@ -321,6 +323,8 @@ export class OTelGroupCallMembership {
   public onConnectionStatsReport(
     statsReport: GroupCallStatsReport<ConnectionStatsReport>
   ) {
+    if (!ElementCallOpenTelemetry.instance) return;
+
     const type = OTelStatsReportType.ConnectionReport;
     const data =
       ObjectFlattener.flattenConnectionStatsReportObject(statsReport);
@@ -330,6 +334,8 @@ export class OTelGroupCallMembership {
   public onByteSentStatsReport(
     statsReport: GroupCallStatsReport<ByteSentStatsReport>
   ) {
+    if (!ElementCallOpenTelemetry.instance) return;
+
     const type = OTelStatsReportType.ByteSentReport;
     const data = ObjectFlattener.flattenByteSentStatsReportObject(statsReport);
     this.buildStatsEventSpan({ type, data });
@@ -338,6 +344,8 @@ export class OTelGroupCallMembership {
   public onSummaryStatsReport(
     statsReport: GroupCallStatsReport<SummaryStatsReport>
   ) {
+    if (!ElementCallOpenTelemetry.instance) return;
+
     const type = OTelStatsReportType.SummaryReport;
     const data = ObjectFlattener.flattenSummaryStatsReportObject(statsReport);
     this.buildStatsEventSpan({ type, data });