diff --git a/wp-includes/option.php b/wp-includes/option.php
index 1157b56d94..1b5dde235c 100644
--- a/wp-includes/option.php
+++ b/wp-includes/option.php
@@ -622,7 +622,8 @@ function get_transient( $transient ) {
 			$alloptions = wp_load_alloptions();
 			if ( !isset( $alloptions[$transient_option] ) ) {
 				$transient_timeout = '_transient_timeout_' . $transient;
-				if ( get_option( $transient_timeout ) < time() ) {
+				$timeout = get_option( $transient_timeout );
+				if ( false !== $timeout && $timeout < time() ) {
 					delete_option( $transient_option  );
 					delete_option( $transient_timeout );
 					$value = false;
diff --git a/wp-includes/version.php b/wp-includes/version.php
index e25f7509ab..803f2ebab6 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.3-beta1-33109';
+$wp_version = '4.3-beta1-33110';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.