diff --git a/services/webdav/pkg/service/v0/service.go b/services/webdav/pkg/service/v0/service.go
index 8e9757fd38..598728044b 100644
--- a/services/webdav/pkg/service/v0/service.go
+++ b/services/webdav/pkg/service/v0/service.go
@@ -45,6 +45,11 @@ var (
 	}
 )
 
+// register the REPORT method at init so it cannot race with concurrent route setup in other services.
+func init() {
+	chi.RegisterMethod("REPORT")
+}
+
 // Service defines the extension handlers.
 type Service interface {
 	ServeHTTP(w http.ResponseWriter, r *http.Request)
@@ -93,9 +98,6 @@ func NewService(opts ...Option) (Service, error) {
 		svc.thumbnailsClient = nil
 	}
 
-	// register method with chi before any routing is set up
-	chi.RegisterMethod("REPORT")
-
 	m.Route(options.Config.HTTP.Root, func(r chi.Router) {
 
 		if !svc.config.DisablePreviews {