diff --git a/playground/nextjs/src/posthog.ts b/playground/nextjs/src/posthog.ts
index 865d7cfca..3a82e1766 100644
--- a/playground/nextjs/src/posthog.ts
+++ b/playground/nextjs/src/posthog.ts
@@ -37,7 +37,6 @@ export const updatePostHogConsent = (consentGiven: boolean) => {
     posthog.set_config(configForConsent())
 }
 
-
 if (typeof window !== 'undefined') {
     posthog.init(process.env.NEXT_PUBLIC_POSTHOG_KEY || '', {
         api_host: process.env.NEXT_PUBLIC_POSTHOG_HOST || 'https://us.i.posthog.com',
@@ -48,7 +47,6 @@ if (typeof window !== 'undefined') {
         scroll_root_selector: ['#scroll_element', 'html'],
         persistence: cookieConsentGiven() ? 'localStorage+cookie' : 'memory',
         person_profiles: PERSON_PROCESSING_MODE === 'never' ? 'identified_only' : PERSON_PROCESSING_MODE,
-        __preview_heatmaps: true,
         persistence_name: `${process.env.NEXT_PUBLIC_POSTHOG_KEY}_nextjs`,
         ...configForConsent(),
     })
@@ -82,7 +80,6 @@ export const posthogHelpers = {
             }
             posthog.register(eventProperties)
             posthog.setPersonPropertiesForFlags(user)
-
         } else {
             // NOTE: Would this always get set?
             if (user.team) {
diff --git a/src/__tests__/heatmaps.test.ts b/src/__tests__/heatmaps.test.ts
index 3094f0d3d..73eb1fa6a 100644
--- a/src/__tests__/heatmaps.test.ts
+++ b/src/__tests__/heatmaps.test.ts
@@ -113,7 +113,7 @@ describe('heatmaps', () => {
         })
 
         it('should be enabled if client config option is enabled', () => {
-            posthog.config.__preview_heatmaps = true
+            posthog.config.enable_heatmaps = true
             expect(posthog.heatmaps!.isEnabled).toBe(true)
         })
 
@@ -132,7 +132,7 @@ describe('heatmaps', () => {
         ])(
             'when client side config is %p and remote opt in is %p - heatmaps enabled should be %p',
             (clientSideOptIn, serverSideOptIn, expected) => {
-                posthog.config.__preview_heatmaps = clientSideOptIn
+                posthog.config.enable_heatmaps = clientSideOptIn
                 posthog.heatmaps!.afterDecideResponse({
                     heatmaps: serverSideOptIn,
                 } as DecideResponse)
diff --git a/src/heatmaps.ts b/src/heatmaps.ts
index 987ce5fe1..e7abff958 100644
--- a/src/heatmaps.ts
+++ b/src/heatmaps.ts
@@ -61,8 +61,8 @@ export class Heatmaps {
     }
 
     public get isEnabled(): boolean {
-        return !isUndefined(this.instance.config.__preview_heatmaps)
-            ? this.instance.config.__preview_heatmaps
+        return !isUndefined(this.instance.config.enable_heatmaps)
+            ? this.instance.config.enable_heatmaps
             : this._enabledServerSide
     }
 
diff --git a/src/types.ts b/src/types.ts
index a7b3a7dee..bf71fcbef 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -145,7 +145,7 @@ export interface PostHogConfig {
     bootstrap: BootstrapConfig
     segment?: SegmentAnalytics
     __preview_send_client_session_params?: boolean
-    __preview_heatmaps?: boolean
+    enable_heatmaps?: boolean
     disable_scroll_properties?: boolean
     // Let the pageview scroll stats use a custom css selector for the root element, e.g. `main`
     scroll_root_selector?: string | string[]