diff --git a/debian/changelog b/debian/changelog
index 9d1f9c02..520e8e5e 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -3,6 +3,8 @@ byobu (4.42) unreleased; urgency=low
   * usr/lib/byobu/.constants, usr/lib/byobu/reboot_required:
     - fix arrows to work better with ubuntu mono font
     - add reboot symbol
+  * usr/bin/byobu-launch:
+    - enhance shell history syncronization across shells
 
  -- Dustin Kirkland <kirkland@ubuntu.com>  Fri, 14 Oct 2011 14:53:51 -0500
 
diff --git a/usr/bin/byobu-launch b/usr/bin/byobu-launch
index 983c1aca..1302e736 100755
--- a/usr/bin/byobu-launch
+++ b/usr/bin/byobu-launch
@@ -55,7 +55,7 @@ elif [ "$BYOBU_SOURCED_PROFILE" != "1" ] && [ "$LC_BYOBU" != "0" ] && [ "$BYOBU_
 					# Support zsh too
 					setopt appendhistory
 				fi
-				[ -n "$PROMPT_COMMAND" ] && PROMPT_COMMAND="$PROMPT_COMMAND;history -a" || PROMPT_COMMAND="history -a"
+				[ -n "$PROMPT_COMMAND" ] && PROMPT_COMMAND="$PROMPT_COMMAND;history -a;history -r" || PROMPT_COMMAND="history -a;history -r"
 				# Source profile, if necessary
 				[ -z "$_byobu_sourced" ] && [ -r "$HOME/.profile" ] && . "$HOME/.profile"
 				if byobu-launcher; then