diff --git a/vim/plugin/notesium.vim b/vim/plugin/notesium.vim
index 1288c1e..6c7b8f0 100644
--- a/vim/plugin/notesium.vim
+++ b/vim/plugin/notesium.vim
@@ -64,8 +64,10 @@ if has('nvim')
       \ 'height': l:height }
 
     " Create buffer and floating window
+    " Set filetype=fzf to avoid vim-tmux-navigator intercepting <C-j>/<C-k>
     highlight link NormalFloat Normal
     let l:buf = nvim_create_buf(v:false, v:true)
+    call nvim_buf_set_option(l:buf, 'filetype', 'fzf')
     let l:win = nvim_open_win(l:buf, v:true, l:opts)
 
     " Set context and start the finder
@@ -74,7 +76,7 @@ if has('nvim')
 
     " Focus the terminal and switch to insert mode
     call nvim_set_current_win(l:win)
-    call feedkeys('i', 'n')
+    call nvim_command('startinsert')
   endfunction
 
   function! notesium#finder_on_exit(job_id, exit_code, _signal) abort