diff --git a/src/mfm_dup.cpp b/src/mfm_dup.cpp
index b4a77691..ad9d9f1f 100644
--- a/src/mfm_dup.cpp
+++ b/src/mfm_dup.cpp
@@ -62,6 +62,7 @@ mfm::dup(const Opts::Dup &opts_)
                       fs::copyfile(srcpath / relpath,
                                    dstpath / relpath,
                                    {.cleanup_failure=false});
+                      return;
                     }
                 }
             }