diff --git a/woocommerce-memberships-mailchimp/filter-amount-of-synced-lists.php b/woocommerce-memberships-mailchimp/filter-amount-of-synced-lists.php
new file mode 100644
index 0000000..56c0a0a
--- /dev/null
+++ b/woocommerce-memberships-mailchimp/filter-amount-of-synced-lists.php
@@ -0,0 +1,15 @@
+<?php // only copy if needed!
+
+/**
+ * Adds the "count" parameter to the mailchimp API request.
+ *
+ * @param array $params associative array of request parameters
+ * @return array updated params
+ */
+function sv_wc_memberships_mailchimp_api_request_params( $params ) {
+
+	$params['count'] = 50;
+
+	return $params;
+}
+add_filter( 'wc_memberships_mailchimp_api_request_params', 'sv_wc_memberships_mailchimp_api_request_params', 10 );