diff --git a/nvim/.config/nvim/after/plugin/fzf.vim b/nvim/.config/nvim/after/plugin/fzf.vim
index f2ff123..46d8d5c 100644
--- a/nvim/.config/nvim/after/plugin/fzf.vim
+++ b/nvim/.config/nvim/after/plugin/fzf.vim
@@ -32,7 +32,12 @@ let g:fzf_action = {
 \  }
 
 let $FZF_DEFAULT_OPTS = '--layout=reverse --bind "Ctrl-d:half-page-down,Ctrl-u:half-page-up,Ctrl-n:preview-down,Ctrl-p:preview-up,Ctrl-f:preview-page-down,Ctrl-b:preview-page-up,ctrl-a:select-all+accept"'
-let g:fzf_layout      = { 'window': { 'width': 0.8, 'height': 0.8 }, }
+
+if exists('$TMUX')
+  let g:fzf_layout = { 'tmux': '-p90%,90%' }
+else
+  let g:fzf_layout = { 'window': { 'width': 0.9, 'height': 0.9 }, }
+endif
 
 nnoremap <Leader>b  :Buffers<CR>
 nnoremap <Leader>B  :History<CR>