diff --git a/lib/bind/menus.bind b/lib/bind/menus.bind
index ea4b365342..fafc2d36e2 100644
--- a/lib/bind/menus.bind
+++ b/lib/bind/menus.bind
@@ -126,6 +126,7 @@ Format 5
 \bind "M-p Up"			"outline-up"
 \bind "M-p Down"		"outline-down"
 
+\bind "M-p M-Return"		"environment-split before"
 \bind "M-p Return"		"command-alternatives environment-split ; environment-split previous"
 \bind "M-p S-Return"		"environment-split outer"