diff --git a/Makefile b/Makefile
index f6ddad8..fae5d9f 100644
--- a/Makefile
+++ b/Makefile
@@ -31,6 +31,9 @@ docpu:
 killall:
 	cat loadbot/testservers |xargs --verbose -n 1 --replace=BLAH ssh BLAH "killall screen"
 
+listscreen:
+	cat loadbot/testservers |xargs --verbose -n 1 --replace=BLAH ssh BLAH "screen -list"
+
 jcarr:
 	cat loadbot/testservers |xargs --verbose -n 1 --replace=BLAH ssh BLAH "echo . /root/benchmarks/loadbot/.jcarr/.bashrc >> /root/.bashrc"