diff --git a/src/mfm_dup.cpp b/src/mfm_dup.cpp
index 1a5491e1..b94e4c1e 100644
--- a/src/mfm_dup.cpp
+++ b/src/mfm_dup.cpp
@@ -43,6 +43,9 @@ mfm::dup(const Opts::Dup &opts_)
               for(const auto &de :
                     stdfs::directory_iterator(de.path().parent_path()))
                 {
+                  if(!de.is_regular_file())
+                    continue;
+
                   auto relpath = "/" / stdfs::relative(de.path(),srcpath);
 
                   for(const auto &dstpath : srcpaths)