diff --git a/plugins/woocommerce/changelog/fix-wccom-21582-siteurl-setting b/plugins/woocommerce/changelog/fix-wccom-21582-siteurl-setting
new file mode 100644
index 00000000000..edadba6a3d5
--- /dev/null
+++ b/plugins/woocommerce/changelog/fix-wccom-21582-siteurl-setting
@@ -0,0 +1,4 @@
+Significance: patch
+Type: fix
+
+Correctly fetch `siteUrl` to fix broken `Back to Store` button
diff --git a/plugins/woocommerce/client/admin/client/lib/in-app-purchase.js b/plugins/woocommerce/client/admin/client/lib/in-app-purchase.js
index 0e925ccace5..620c60cbdd1 100644
--- a/plugins/woocommerce/client/admin/client/lib/in-app-purchase.js
+++ b/plugins/woocommerce/client/admin/client/lib/in-app-purchase.js
@@ -4,6 +4,11 @@
 import { addQueryArgs } from '@wordpress/url';
 import { getSetting } from '@woocommerce/settings';
 
+/**
+ * Internal dependencies
+ */
+import { getAdminSetting } from '~/utils/admin-settings';
+
 /**
  * Returns an in-app-purchase URL.
  *
@@ -15,7 +20,7 @@ export const getInAppPurchaseUrl = ( url, queryArgs = {} ) => {
 	const { pathname, search } = window.location;
 	const connectNonce = getSetting( 'connectNonce', '' );
 	queryArgs = {
-		'wccom-site': getSetting( 'siteUrl' ),
+		'wccom-site': getAdminSetting( 'siteUrl' ),
 		// If the site is installed in a directory the directory must be included in the back param path.
 		'wccom-back': pathname + search,
 		'wccom-woo-version': getSetting( 'wcVersion' ),