diff --git a/wp-includes/functions.php b/wp-includes/functions.php
index 5499629d3..216ba4b99 100644
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -1206,7 +1206,7 @@ function do_enclose( $content, $post_ID ) {
 				continue;
 			if ( isset( $test['query'] ) )
 				$post_links[] = $link_test;
-			elseif ( $test['path'] != '/' && $test['path'] != '' )
+			elseif ( isset($test['path']) && ( $test['path'] != '/' ) &&  ($test['path'] != '' ) )
 				$post_links[] = $link_test;
 		}
 	}
diff --git a/wp-includes/rewrite.php b/wp-includes/rewrite.php
index de9ff8906..6a9129295 100644
--- a/wp-includes/rewrite.php
+++ b/wp-includes/rewrite.php
@@ -299,7 +299,7 @@ function url_to_postid($url) {
 	} else {
 		// Chop off /path/to/blog
 		$home_path = parse_url(home_url());
-		$home_path = $home_path['path'];
+		$home_path = isset( $home_path['path'] ) ? $home_path['path'] : '' ;
 		$url = str_replace($home_path, '', $url);
 	}