diff --git a/includes/modules/import/class-pb-import.php b/includes/modules/import/class-pb-import.php
index <HASH>..<HASH> 100644
--- a/includes/modules/import/class-pb-import.php
+++ b/includes/modules/import/class-pb-import.php
@@ -237,6 +237,9 @@ abstract class Import {
 			\Pressbooks\Redirect\location( $redirect_url );
 		}
 
+		// Appends 'last part' of the path to the dynamic first part of the path ($upload_dir)
+		$upload_dir = wp_upload_dir();
+		$current_import['file'] = trailingslashit( $upload_dir['path'] ) . basename( $current_import['file'] );
 
 		if ( @$_GET['import'] && is_array( @$_POST['chapters'] ) && is_array( $current_import ) && isset( $current_import['file'] ) && check_admin_referer( 'pb-import' ) ) {
Fix issue with import on multiple app servers.

Parity with <URL>