diff -r f84e64afee61 -r bf3695fee719 dav/sync.c
--- a/dav/sync.c	Fri Jan 25 17:01:59 2019 +0100
+++ b/dav/sync.c	Mon Feb 04 14:11:57 2019 +0100
@@ -2226,6 +2226,8 @@
 int versioning_end(SyncDirectory *dir, DavResource *res) {
     if(dir->versioning->type == VERSIONING_DELTAV) {
         return dav_checkin(res);
+    } else {
+        return 0;
     }
 }