diff --git a/autoload/fugitive.vim b/autoload/fugitive.vim
index 8e68428..ceeed51 100644
--- a/autoload/fugitive.vim
+++ b/autoload/fugitive.vim
@@ -2906,7 +2906,7 @@ function! s:Merge(cmd, bang, mods, args, ...) abort
       let $GIT_EDITOR = old_editor
     endif
     if exists('old_sequence_editor')
-      let $GIT_SEQUENCE_EDITOR = old_editor
+      let $GIT_SEQUENCE_EDITOR = old_sequence_editor
     endif
     execute cdback
   endtry