diff --git a/wp-includes/taxonomy.php b/wp-includes/taxonomy.php
index b46416bc16..87d8e0f202 100644
--- a/wp-includes/taxonomy.php
+++ b/wp-includes/taxonomy.php
@@ -840,6 +840,9 @@ function get_term( $term, $taxonomy = '', $output = OBJECT, $filter = 'raw' ) {
 		return null;
 	}
 
+	// Ensure for filters that this is not empty.
+	$taxonomy = $_term->taxonomy;
+
 	/**
 	 * Filters a taxonomy term object.
 	 *
diff --git a/wp-includes/version.php b/wp-includes/version.php
index a78afff068..7d96afa684 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.1-alpha-44324';
+$wp_version = '5.1-alpha-44325';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.