diff --git a/bashrc b/bashrc
index 954758c2..f359ebc5 100644
--- a/bashrc
+++ b/bashrc
@@ -299,7 +299,7 @@ alias rscp='rsync -h --progress -avz '
 alias rscpr='rsync -h --progress -azvv '
 
 # TMUX specific
-alias tmux="tmux -u"
+alias tmux="tmux -2u"
 alias attach="tmux attach-session"
 alias detach="tmux detach"
 
diff --git a/zshrc b/zshrc
index 3afd8dbc..0be9e9e4 100644
--- a/zshrc
+++ b/zshrc
@@ -232,7 +232,7 @@ alias rscp='rsync -h --progress -avz '
 alias rscpr='rsync -h --progress -azvv '
 
 # TMUX specific
-alias tmux="tmux -u"
+alias tmux="tmux -2u"
 alias attach="tmux attach-session"
 alias detach="tmux detach"