diff --git a/includes/core/classes/class-setup.php b/includes/core/classes/class-setup.php
index 9427b3f08..9c2057b71 100644
--- a/includes/core/classes/class-setup.php
+++ b/includes/core/classes/class-setup.php
@@ -432,7 +432,7 @@ public function check_users_can_register(): void {
 	 */
 	public function check_gatherpress_alpha(): void {
 		if (
-			is_plugin_active( 'gatherpress-alpha/gatherpress-alpha.php' ) ||
+			defined( 'GATHERPRESS_ALPHA_VERSION' ) ||
 			filter_var( ! current_user_can( 'install_plugins' ), FILTER_VALIDATE_BOOLEAN ) || (
 				false === strpos( get_current_screen()->id, 'plugins' ) &&
 				false === strpos( get_current_screen()->id, 'plugin-install' ) &&