diff --git a/src/mfm_dup.cpp b/src/mfm_dup.cpp
index 06ec5a68..07c32f83 100644
--- a/src/mfm_dup.cpp
+++ b/src/mfm_dup.cpp
@@ -53,15 +53,18 @@ mfm::dup(const Opts::Dup &opts_)
                       if(dstpath == srcpath)
                         continue;
 
+                      auto srcfullpath = srcpath / relpath.relative_path();
+                      auto dstfullpath = srcpath / relpath.relative_path();
+
+                      if(stdfs::exists(dstfullpath))
+                        continue;
+
                       fmt::println("copy {} to {} : {} : {}",
                                    srcpath.string(),
                                    dstpath.string(),
                                    relpath.parent_path().string(),
                                    relpath.filename().string());
 
-                      auto srcfullpath = srcpath / relpath.relative_path();
-                      auto dstfullpath = srcpath / relpath.relative_path();
-
                       fs::clonepath(srcpath,
                                     dstpath,
                                     relpath.parent_path());