diff --git a/lib/SimpleSAML/XML/Errors.php b/lib/SimpleSAML/XML/Errors.php
index 3c8f2a302ffac4f1e929421dab2dac47425b0b06..4b4f167a8dcdca20ac3f66e92e2f8c73f360799b 100644
--- a/lib/SimpleSAML/XML/Errors.php
+++ b/lib/SimpleSAML/XML/Errors.php
@@ -12,6 +12,8 @@
 
 namespace SimpleSAML\XML;
 
+use LibXMLError;
+
 class Errors
 {