diff --git a/dot_config/X11/xresources b/dot_config/X11/xresources
index ca1a2e0..b928f20 100644
--- a/dot_config/X11/xresources
+++ b/dot_config/X11/xresources
@@ -83,3 +83,10 @@ URxvt.keysym.Control-B:        perl:clipboard:paste_escaped
 ! URxvt.keysym.Control-Shift-Right: 	perl:tabbedex:move_tab_right
 ! URxvt.keysym.Control-Shift-R: 		perl:tabbedex:rename_tab
 ! URxvt.tabbed.no-tabbedex-keys: 		true
+
+! WARNING: this is a giant hack to 'enable' extended keys support (like xterm has).
+! See here: http://www.leonerd.org.uk/hacks/fixterms/
+! The main reason for this is that I really really wanted to use C-Tab in tmux
+! but also didn't want to use xterm since urxvt is lighter and awesome-r
+URxvt.keysym.C-Tab:                     \033[27;5;9~
+URxvt.keysym.C-ISO_Left_Tab:            \033[Z
diff --git a/dot_config/tmux/tmux.conf.tmpl b/dot_config/tmux/tmux.conf.tmpl
index 639fd80..b763625 100644
--- a/dot_config/tmux/tmux.conf.tmpl
+++ b/dot_config/tmux/tmux.conf.tmpl
@@ -2,6 +2,10 @@
 set -g status-keys vi
 set -g mode-keys vi
 
+# enable extended keys
+set -s extended-keys on
+set -as terminal-features 'xterm*:extkeys'
+
 # change prefix
 unbind C-b
 set -g prefix C-f
@@ -26,10 +30,10 @@ bind - split-window -v
 bind | split-window -h
 
 # window navigation
-bind -n M-Tab next-window
-bind -n M-BTab previous-window
-bind -n M-] swap-window -t +1 \; next-window
-bind -n M-[ swap-window -t -1 \; previous-window
+bind -n C-Tab next-window
+bind -n BTab previous-window # idk if there is even an extended sequence for Shift-Tab
+bind C-Tab swap-window -t +1 \; next-window
+bind BTab swap-window -t -1 \; previous-window
 
 bind -n M-| choose-window "join-pane -h -t '%%'"
 bind -n M-- choose-window "join-pane -v -t '%%'"