diff --git a/src/node/shell/distributed_db_message.ml b/src/node/shell/distributed_db_message.ml
--- a/src/node/shell/distributed_db_message.ml
+++ b/src/node/shell/distributed_db_message.ml
@@ -144,7 +144,7 @@ let encoding =
 
 let versions =
   let open P2p.Version in
-  [ { name = "TEZOS_ALPHANET" ;
+  [ { name = "TEZOS_ALPHANET_NEXT" ;
       major = 0 ;
       minor = 5 ;
     }
diff --git a/scripts/alphanet.sh b/scripts/alphanet.sh
--- a/scripts/alphanet.sh
+++ b/scripts/alphanet.sh
@@ -21,15 +21,15 @@ fi
 src_dir="$(cd "$(dirname "$0")" && echo "$(pwd -P)/")"
 cd "$src_dir"
 
-default_port=9732
+default_port=19732
 port="$default_port"
 
-docker_image=docker.io/tezos/tezos:alphanet
-docker_volume=tezos-alphanet-data$suffix
+docker_image=docker.io/tezos/tezos:alphanet_next
+docker_volume=tezos-alphanet-next-data$suffix
 suffix=
 
-data_dir="$HOME/.tezos-alphanet$suffix"
-docker_container="tezos-alphanet$suffix"
+data_dir="$HOME/.tezos-alphanet-next$suffix"
+docker_container="tezos-alphanet-next$suffix"
 
 
 ## Saving state ############################################################
diff --git a/src/node/main/node_config_file.ml b/src/node/main/node_config_file.ml
--- a/src/node/main/node_config_file.ml
+++ b/src/node/main/node_config_file.ml
@@ -16,7 +16,7 @@ let home =
   with Not_found -> "/root"
 
 let default_data_dir = home // ".tezos-node"
-let default_net_port = 9732
+let default_net_port = 19732
 let default_rpc_port = 8732
 
 type t = {