diff --git a/CHANGELOG.md b/CHANGELOG.md
index 956149f..1f12bf9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ### master
 - bugfix in `key_binding_not_set`: the regex is now properly detecting key
   bindings with `-r` flag.
+- enable `aggressive-resize`
 
 ### v2.1.0, 2014-12-12
 - check before binding `prefix + prefix` (@m1foley)
diff --git a/README.md b/README.md
index 6448097..2d8386e 100644
--- a/README.md
+++ b/README.md
@@ -51,6 +51,9 @@ Inspired by [vim-sensible](https://github.com/tpope/vim-sensible).
     # focus events enabled for terminals that support them
     set -g focus-events on
 
+    # super useful when using "grouped sessions" and multi-monitor setup
+    setw -g aggressive-resize on
+
 ### Key bindings
 
     # easier and faster switching between next/prev window
diff --git a/sensible.tmux b/sensible.tmux
index c0dd06c..9c2582a 100755
--- a/sensible.tmux
+++ b/sensible.tmux
@@ -110,6 +110,9 @@ main() {
 	# focus events enabled for terminals that support them
 	tmux set-option -g focus-events on
 
+	# super useful when using "grouped sessions" and multi-monitor setup
+	tmux set-window-option -g aggressive-resize on
+
 	# ALMOST SENSIBLE OPTIONS - DEPRECATED
 
 	if almost_sensible_on; then