diff --git a/internal/service/file.go b/internal/service/file.go
index 17554b05..ed8ba967 100644
--- a/internal/service/file.go
+++ b/internal/service/file.go
@@ -217,7 +217,7 @@ func (s *FileService) Move(w http.ResponseWriter, r *http.Request) {
 			continue
 		}
 
-		if io.IsDir(item.Source) && strings.HasPrefix(item.Target, item.Source) {
+		if io.IsDir(item.Source) && strings.HasPrefix(item.Target, item.Source+"/") {
 			Error(w, http.StatusForbidden, s.t.Get("please don't do this"))
 			return
 		}