diff --git a/util/apop-customposts.php b/util/apop-customposts.php
index 19a72d4..c6b4a29 100644
--- a/util/apop-customposts.php
+++ b/util/apop-customposts.php
@@ -120,6 +120,10 @@ if ( ! trait_exists( 'CUSTOMPOSTS' ) ) {
 			if ( ! $per_page_option ) {
 				return;
 			}
+			
+			if( ! isset($per_page_option['custompost_archive'] ) ){
+				return;
+			}
 
 			$per_page_option_data = $per_page_option['custompost_archive'][ $post_type ];
 			if ( ! isset( $per_page_option_data ) ) {