diff -r 570026d3a685 -r 47bc686fafe4 src/server/plugins/postgresql/init.c
--- a/src/server/plugins/postgresql/init.c	Sun May 15 08:56:00 2022 +0200
+++ b/src/server/plugins/postgresql/init.c	Sun Aug 07 13:46:43 2022 +0200
@@ -52,11 +52,11 @@
 }
 
 int pg_register_vfs(pblock *pb) {
-    return vfs_register_type("postgresql", pg_vfs_create);
+    return vfs_register_type("postgresql", pg_vfs_init, pg_vfs_create);
 }
 
 int pg_register_webdav_backend(pblock *pb) {
-    if(webdav_register_backend("postgresql", pg_webdav_create)) {
+    if(webdav_register_backend("postgresql", pg_webdav_init, pg_webdav_create)) {
         return 1;
     }
     return 0;