diff --git a/src/Protocol/DFRN.php b/src/Protocol/DFRN.php
index 52790d46dd..e6524de965 100644
--- a/src/Protocol/DFRN.php
+++ b/src/Protocol/DFRN.php
@@ -2512,8 +2512,8 @@ class DFRN
 		}
 
 		$notice_info = $xpath->query("statusnet:notice_info", $entry);
-		if ($notice_info && ($notice_info->length > 0) && !empty($notice_info->item)) {
-			foreach ($notice_info->item[0]->attributes as $attributes) {
+		if ($notice_info && ($notice_info->length > 0)) {
+			foreach ($notice_info->item(0)->attributes as $attributes) {
 				if ($attributes->name == "source") {
 					$item["app"] = strip_tags($attributes->textContent);
 				}
@@ -2588,8 +2588,8 @@ class DFRN
 		$item['conversation-uri'] = XML::getFirstNodeValue($xpath, 'ostatus:conversation/text()', $entry);
 
 		$conv = $xpath->query('ostatus:conversation', $entry);
-		if (!empty($conv->item[0])) {
-			foreach ($conv->item[0]->attributes as $attributes) {
+		if (is_object($conv->item(0))) {
+			foreach ($conv->item(0)->attributes as $attributes) {
 				if ($attributes->name == "ref") {
 					$item['conversation-uri'] = $attributes->textContent;
 				}
@@ -2603,8 +2603,8 @@ class DFRN
 		$item["parent-uri"] = $item["uri"];
 
 		$inreplyto = $xpath->query("thr:in-reply-to", $entry);
-		if (!empty($inreplyto->item[0])) {
-			foreach ($inreplyto->item[0]->attributes as $attributes) {
+		if (is_object($inreplyto->item(0))) {
+			foreach ($inreplyto->item(0)->attributes as $attributes) {
 				if ($attributes->name == "ref") {
 					$item["parent-uri"] = $attributes->textContent;
 				}
diff --git a/src/Protocol/OStatus.php b/src/Protocol/OStatus.php
index 45071f82e2..38105e452a 100644
--- a/src/Protocol/OStatus.php
+++ b/src/Protocol/OStatus.php
@@ -72,7 +72,7 @@ class OStatus
 		}
 		$author["author-id"] = Contact::getIdForURL($author["author-link"]);
 
-		$author["contact-id"] = $contact["id"];
+		$author['contact-id'] = defaults($contact, 'id', $author['author-id']);
 
 		$contact = [];