diff --git wp-includes/taxonomy.php wp-includes/taxonomy.php
index 80529d5..efb9094 100644
--- wp-includes/taxonomy.php
+++ wp-includes/taxonomy.php
@@ -2821,7 +2821,7 @@ function get_term_link( $term, $taxonomy = '') {
 	global $wp_rewrite;
 
 	if ( !is_object($term) ) {
-		if ( is_int($term) ) {
+		if ( is_numeric($term) ) {
 			$term = &get_term($term, $taxonomy);
 		} else {
 			$term = &get_term_by('slug', $term, $taxonomy);