diff -r 7290604d846d -r 07b815faa6ac src/server/webdav/xml.c
--- a/src/server/webdav/xml.c	Wed Dec 17 22:15:48 2025 +0100
+++ b/src/server/webdav/xml.c	Tue Dec 30 21:44:49 2025 +0100
@@ -581,7 +581,7 @@
                 writer_putc   (out, '"');
             } else {
                 WSNamespace *n = xw->namespaces ?
-                    cxMapGet(xw->namespaces, cx_hash_key_str((const char*)nsdef->prefix)) :
+                    cxMapGet(xw->namespaces, nsdef->prefix) :
                     NULL;
                 if(!n) {
                     writer_put_lit(out, " xmlns:");