diff --git a/.bash_extra b/.bash_extra
index 25c5826..dc5ae4b 100644
--- a/.bash_extra
+++ b/.bash_extra
@@ -1,4 +1,9 @@
 #!/bin/bash
+### tmux auto attach
+if command -v tmux &> /dev/null && [ -z "$TMUX" ]; then
+  tmux attach -t default || tmux new -s default
+fi
+
 ### PS1
 # git-symbole: * unstaged, + staged, $ stashed, % untracked
 export GIT_PS1_SHOWUNTRACKEDFILES=1