diff -r 4b3ac9249394 -r fb1a51e7954f src/server/webdav/multistatus.c
--- a/src/server/webdav/multistatus.c	Wed Sep 06 22:25:34 2023 +0200
+++ b/src/server/webdav/multistatus.c	Wed Sep 06 22:48:08 2023 +0200
@@ -134,6 +134,11 @@
                 esclen = 3;
                 break;
             }
+            case '&': {
+                escape = "%26";
+                esclen = 3;
+                break;
+            }
             default: continue;
         }
         ptrdiff_t len = end - begin;