diff --git a/usr/lib/byobu/include/select-session.py b/usr/lib/byobu/include/select-session.py
index 78b0ea15..a56a8363 100755
--- a/usr/lib/byobu/include/select-session.py
+++ b/usr/lib/byobu/include/select-session.py
@@ -99,10 +99,10 @@ def cull_zombies(session_name):
 		if not output:
 			return
 
-		# Find the master session to extract the group number. We use
+		# Find the master session to extract the group name. We use
 		# the group number to be extra sure the right session is getting
 		# killed. We don't want to accidentally kill the wrong one
-		pattern = "^%s:.+\\((group \\d+)\\).*$" % session_name
+		pattern = "^%s:.+\\((group \\w+)\\).*$" % session_name
 		master = re.search(pattern, output, re.MULTILINE)
 		if not master:
 			return