diff --git a/ui/lib/runtime-config.ts b/ui/lib/runtime-config.ts
index 40eb8ab4cd..f1ef52900b 100644
--- a/ui/lib/runtime-config.ts
+++ b/ui/lib/runtime-config.ts
@@ -50,11 +50,11 @@ export async function getRuntimePublicConfig(): Promise<RuntimePublicConfig> {
     cloudBillingEnabled:
       (readEnv("CLOUD_BILLING_ENABLED") ?? "false") !== "false",
     stripePublishableKey: readEnv(
-      "CLOUD_STRIPE_PUBLISHABLE_KEY",
+      "UI_CLOUD_STRIPE_PUBLISHABLE_KEY",
       "NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY",
     ),
     stripePublishableKeyV2: readEnv(
-      "CLOUD_STRIPE_PUBLISHABLE_KEY_V2",
+      "UI_CLOUD_STRIPE_PUBLISHABLE_KEY_V2",
       "NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY_V2",
     ),
   };
diff --git a/ui/types/env.d.ts b/ui/types/env.d.ts
index 884e2cdd89..234696b092 100644
--- a/ui/types/env.d.ts
+++ b/ui/types/env.d.ts
@@ -32,12 +32,12 @@ declare global {
 
       // Cloud-only Stripe publishable keys (public; shipped to the browser).
       // V1 = legacy billing, V2 = metronome.
-      /** @deprecated use CLOUD_STRIPE_PUBLISHABLE_KEY */
+      /** @deprecated use UI_CLOUD_STRIPE_PUBLISHABLE_KEY */
       NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY?: string;
-      CLOUD_STRIPE_PUBLISHABLE_KEY?: string;
-      /** @deprecated use CLOUD_STRIPE_PUBLISHABLE_KEY_V2 */
+      UI_CLOUD_STRIPE_PUBLISHABLE_KEY?: string;
+      /** @deprecated use UI_CLOUD_STRIPE_PUBLISHABLE_KEY_V2 */
       NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY_V2?: string;
-      CLOUD_STRIPE_PUBLISHABLE_KEY_V2?: string;
+      UI_CLOUD_STRIPE_PUBLISHABLE_KEY_V2?: string;
 
       // Build-time public config
       NEXT_PUBLIC_IS_CLOUD_ENV?: "true" | "false";