diff --git a/swarm/cmd/swarm/swarm.sh b/swarm/cmd/swarm/swarm.sh
index 34dafda44c..dde74d6b71 100644
--- a/swarm/cmd/swarm/swarm.sh
+++ b/swarm/cmd/swarm/swarm.sh
@@ -37,7 +37,7 @@ shift
 # ip_addr=`curl ipecho.net/plain 2>/dev/null;echo `
 
 # echo "external IP: $ip_addr"
-swarmoptions='--dev --maxpeers=20 --shh=false --nodiscover'
+swarmoptions='--dev --maxpeers=40 --shh=false --nodiscover'
 tmpdir=/tmp
 
 function attach {