2 files changed, 3 insertions, 3 deletions
diff --git a/vendor/sabre/xml/lib/Element/Uri.php b/vendor/sabre/xml/lib/Element/Uri.php
index 898a26457..2644fbcd7 100644
--- a/vendor/sabre/xml/lib/Element/Uri.php
+++ b/vendor/sabre/xml/lib/Element/Uri.php
@@ -91,7 +91,7 @@ class Uri implements Xml\Element
     {
         return new self(
             \Sabre\Uri\resolve(
-                $reader->contextUri,
+                (string) $reader->contextUri,
                 $reader->readText()
             )
         );
diff --git a/vendor/sabre/xml/lib/Element/XmlFragment.php b/vendor/sabre/xml/lib/Element/XmlFragment.php
index 413e0f106..12109e5c9 100644
--- a/vendor/sabre/xml/lib/Element/XmlFragment.php
+++ b/vendor/sabre/xml/lib/Element/XmlFragment.php
@@ -85,7 +85,7 @@ XML;
             switch ($reader->nodeType) {
                 case Reader::ELEMENT:
                     $writer->startElement(
-                        $reader->getClark()
+                        (string) $reader->getClark()
                     );
                     $empty = $reader->isEmptyElement;
                     while ($reader->moveToNextAttribute()) {
@@ -97,7 +97,7 @@ XML;
                                 // Skip namespace declarations
                                 break;
                             default:
-                                $writer->writeAttribute($reader->getClark(), $reader->value);
+                                $writer->writeAttribute((string) $reader->getClark(), $reader->value);
                                 break;
                         }
                     }