diff --git a/wp-admin/includes/update-core.php b/wp-admin/includes/update-core.php
index 32266bb70f..a74abd20bb 100644
--- a/wp-admin/includes/update-core.php
+++ b/wp-admin/includes/update-core.php
@@ -725,7 +725,7 @@ function update_core($from, $to) {
 			$error_data = version_compare( $old_wp_version, '3.7-beta2', '>' ) ? array_keys( $files_not_writable ) : '';
 
 			if ( $files_not_writable )
-				return new WP_Error( 'files_not_writable', __( 'Could not copy file.' ), $data );
+				return new WP_Error( 'files_not_writable', __( 'Could not copy file.' ), $error_data );
 		}
 	}
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 583c21cf53..9c0d392f72 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '3.7-beta2-25795';
+$wp_version = '3.7-beta2-25800';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.