diff --git a/includes/class-mailchimp-admin.php b/includes/class-mailchimp-admin.php
index dc3a201..f0e7d4d 100644
--- a/includes/class-mailchimp-admin.php
+++ b/includes/class-mailchimp-admin.php
@@ -32,6 +32,8 @@ public function init() {
 		add_action( 'admin_notices', array( $this, 'admin_notices' ) );
 		add_action( 'wp_ajax_mailchimp_sf_oauth_start', array( $this, 'start_oauth_process' ) );
 		add_action( 'wp_ajax_mailchimp_sf_oauth_finish', array( $this, 'finish_oauth_process' ) );
+
+		add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_admin_page_scripts' ) );
 	}
 
 
@@ -233,4 +235,36 @@ public function sanitize_data( $data ) {
 			return is_scalar( $data ) ? sanitize_text_field( $data ) : $data;
 		}
 	}
+
+	/**
+	 * Enqueue scripts/styles for the Mailchimp admin page
+	 *
+	 * @param string $hook_suffix The current admin page.
+	 * @return void
+	 */
+	public function enqueue_admin_page_scripts( $hook_suffix ) {
+		if ( 'toplevel_page_mailchimp_sf_options' !== $hook_suffix ) {
+			return;
+		}
+
+		wp_enqueue_style( 'mailchimp_sf_admin_css', MCSF_URL . 'css/admin.css', array( 'wp-jquery-ui-dialog' ), true );
+		wp_enqueue_script( 'showMe', MCSF_URL . 'js/hidecss.js', array( 'jquery' ), MCSF_VER, true );
+		wp_enqueue_script( 'mailchimp_sf_admin', MCSF_URL . 'js/admin.js', array( 'jquery', 'jquery-ui-dialog' ), MCSF_VER, true );
+
+		wp_localize_script(
+			'mailchimp_sf_admin',
+			'mailchimp_sf_admin_params',
+			array(
+				'ajax_url'               => esc_url( admin_url( 'admin-ajax.php' ) ),
+				'oauth_url'              => esc_url( $this->oauth_url ),
+				'oauth_start_nonce'      => wp_create_nonce( 'mailchimp_sf_oauth_start_nonce' ),
+				'oauth_finish_nonce'     => wp_create_nonce( 'mailchimp_sf_oauth_finish_nonce' ),
+				'oauth_window_name'      => esc_html__( 'Mailchimp For WordPress OAuth', 'mailchimp' ),
+				'generic_error'          => esc_html__( 'An error occurred. Please try again.', 'mailchimp' ),
+				'modal_title'            => esc_html__( 'Login Popup is blocked!', 'mailchimp' ),
+				'modal_button_try_again' => esc_html__( 'Try again', 'mailchimp' ),
+				'modal_button_cancel'    => esc_html__( 'No, cancel!', 'mailchimp' ),
+			)
+		);
+	}
 }
diff --git a/js/admin.js b/js/admin.js
index b33e9da..6e24563 100644
--- a/js/admin.js
+++ b/js/admin.js
@@ -1,7 +1,6 @@
 /* eslint-disable prefer-template, no-console */
 (function ($) {
 	const params = window.mailchimp_sf_admin_params || {};
-	const oauthBaseUrl = 'https://woocommerce.mailchimpapp.com';
 	const spinner = '.mailchimp-sf-oauth-connect-wrapper .spinner';
 	const errorSelector = '.mailchimp-sf-oauth-section .oauth-error';
 
@@ -11,7 +10,7 @@
 	 * @param {string} token - Token from the Oauth service.
 	 */
 	function openMailchimpOauthPopup(token) {
-		const startUrl = oauthBaseUrl + '/auth/start/' + token;
+		const startUrl = params.oauth_url + '/auth/start/' + token;
 		const width = 800;
 		const height = 600;
 		const screenSizes = window.screen || { width: 1024, height: 768 };
@@ -27,7 +26,7 @@
 			', left=' +
 			left +
 			', domain=' +
-			oauthBaseUrl.replace('https://', '');
+			params.oauth_url.replace('https://', '');
 
 		// Open Mailchimp OAuth popup.
 		const popup = window.open(startUrl, params.oauth_window_name, windowOptions);
@@ -67,7 +66,7 @@
 					window.clearInterval(oauthInterval);
 
 					// Check status of OAuth connection.
-					const statusUrl = oauthBaseUrl + '/api/status/' + token;
+					const statusUrl = params.oauth_url + '/api/status/' + token;
 					$.post(statusUrl, function (statusData) {
 						if (statusData && statusData.status === 'accepted') {
 							const finishData = {
diff --git a/mailchimp.php b/mailchimp.php
index de7d340..166ae43 100644
--- a/mailchimp.php
+++ b/mailchimp.php
@@ -140,41 +140,6 @@ function mailchimp_sf_load_resources() {
 	}
 }
 
-
-/**
- * Loads resources for the Mailchimp admin page
- *
- * @param string $hook_suffix The current admin page.
- * @return void
- */
-function mailchimp_admin_page_scripts( $hook_suffix ) {
-	if ( 'toplevel_page_mailchimp_sf_options' !== $hook_suffix ) {
-		return;
-	}
-
-	wp_enqueue_style( 'mailchimp_sf_admin_css', MCSF_URL . 'css/admin.css', array( 'wp-jquery-ui-dialog' ), true );
-	wp_enqueue_script( 'showMe', MCSF_URL . 'js/hidecss.js', array( 'jquery' ), MCSF_VER, true );
-	wp_enqueue_script( 'mailchimp_sf_admin', MCSF_URL . 'js/admin.js', array( 'jquery', 'jquery-ui-dialog' ), MCSF_VER, true );
-
-	wp_localize_script(
-		'mailchimp_sf_admin',
-		'mailchimp_sf_admin_params',
-		array(
-			'ajax_url'               => esc_url( admin_url( 'admin-ajax.php' ) ),
-			'oauth_start_nonce'      => wp_create_nonce( 'mailchimp_sf_oauth_start_nonce' ),
-			'oauth_finish_nonce'     => wp_create_nonce( 'mailchimp_sf_oauth_finish_nonce' ),
-			'oauth_window_name'      => esc_html__( 'Mailchimp For WordPress OAuth', 'mailchimp' ),
-			'generic_error'          => esc_html__( 'An error occurred. Please try again.', 'mailchimp' ),
-			'modal_title'            => esc_html__( 'Login Popup is blocked!', 'mailchimp' ),
-			'modal_button_try_again' => esc_html__( 'Try again', 'mailchimp' ),
-			'modal_button_cancel'    => esc_html__( 'No, cancel!', 'mailchimp' ),
-		)
-	);
-}
-
-add_action( 'admin_enqueue_scripts', 'mailchimp_admin_page_scripts', 10, 1 );
-
-
 /**
  * Loads jQuery Datepicker for the date-pick class
  **/