X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FUtil%2FXML.php;h=c35f19b8a8e584619b4b14ca9ea8349c09d1da0e;hb=e1863951986ba5be173758324a00652bc5af870c;hp=e5fa4009f3dcf23936715ec0d1aea6b36bcf83b9;hpb=a7fd9e3223ce95dc508c40353b4019b886f42902;p=friendica.git

diff --git a/src/Util/XML.php b/src/Util/XML.php
index e5fa4009f3..c35f19b8a8 100644
--- a/src/Util/XML.php
+++ b/src/Util/XML.php
@@ -118,7 +118,7 @@ class XML
 						$namespace = null;
 					}
 
-					$element->addAttribute($attr_key, $attr_value, $namespace);
+					$element->addAttribute($attr_key, $attr_value ?? '', $namespace);
 				}
 
 				continue;