diff --git a/Makefile b/Makefile
index 5c3c14dfb..74798e999 100644
--- a/Makefile
+++ b/Makefile
@@ -45,13 +45,13 @@ clean-testnet0:
 	rm -rf ~/.cache/nimbus/BeaconNode/testnet0
 
 testnet0: | build deps
-	../../env.sh scripts/connect_to_testnet.sh testnet0
+	../../env.sh scripts/build_testnet_node.sh testnet0
 
 clean-testnet1:
 	rm -rf ~/.cache/nimbus/BeaconNode/testnet1
 
 testnet1: | build deps
-	../../env.sh scripts/connect_to_testnet.sh testnet1
+	../../env.sh scripts/build_testnet_node.sh testnet1
 
 clean:
 	rm -rf build/* nimcache
diff --git a/beacon_chain/conf.nim b/beacon_chain/conf.nim
index ff3252f60..9722b06d3 100644
--- a/beacon_chain/conf.nim
+++ b/beacon_chain/conf.nim
@@ -7,7 +7,7 @@ export
   defs
 
 const
-  defaultPort* = 9000
+  DEFAULT_NETWORK* {.strdefine.} = "testnet0"
 
 type
   ValidatorKeyPath* = TypedInputFile[ValidatorPrivKey, Txt, "privkey"]
@@ -28,7 +28,7 @@ type
             "Possible values: testnet0, testnet1, mainnet, custom-network.json"
       longform: "network"
       shortform: "n"
-      defaultValue: "testnet0".}: string
+      defaultValue: DEFAULT_NETWORK .}: string
 
     dataDir* {.
       desc: "The directory where nimbus will store all blockchain data."
@@ -52,11 +52,11 @@ type
 
       tcpPort* {.
         desc: "TCP listening port"
-        defaultValue: defaultPort .}: int
+        defaultValue: defaultPort(config) .}: int
 
       udpPort* {.
         desc: "UDP listening port",
-        defaultValue: defaultPort .}: int
+        defaultValue: defaultPort(config) .}: int
 
       nat* {.
         desc: "Specify method to use for determining public address. Must be one of: any, extip:<IP>"
@@ -102,7 +102,7 @@ type
 
       bootstrapPort* {.
         desc: "The TCP/UDP port that will be used by the bootstrap node"
-        defaultValue: defaultPort .}: int
+        defaultValue: defaultPort(config) .}: int
 
       genesisOffset* {.
         desc: "Seconds from now to add to genesis time"
@@ -123,6 +123,10 @@ type
     of updateTestnet:
       discard
 
+proc defaultPort*(config: BeaconNodeConf): int =
+  if config.network == "testnet1": 9100
+  else: 9000
+
 proc defaultDataDir*(conf: BeaconNodeConf): string =
   let dataDir = when defined(windows):
     "AppData" / "Roaming" / "Nimbus"
diff --git a/scripts/connect_to_testnet.sh b/scripts/build_testnet_node.sh
similarity index 68%
rename from scripts/connect_to_testnet.sh
rename to scripts/build_testnet_node.sh
index b8acf4158..48e1fc714 100755
--- a/scripts/connect_to_testnet.sh
+++ b/scripts/build_testnet_node.sh
@@ -12,7 +12,7 @@ source "$NETWORK_NAME.env"
 
 cd ..
 
-NIM_FLAGS="-d:release --lineTrace:on -d:chronicles_log_level=DEBUG -d:SECONDS_PER_SLOT=$SECONDS_PER_SLOT -d:SHARD_COUNT=$SHARD_COUNT -d:SLOTS_PER_EPOCH=$SLOTS_PER_EPOCH --hints:off --verbosity:0"
+NIM_FLAGS="-d:release --lineTrace:on -d:chronicles_log_level=DEBUG -d:SECONDS_PER_SLOT=$SECONDS_PER_SLOT -d:SHARD_COUNT=$SHARD_COUNT -d:SLOTS_PER_EPOCH=$SLOTS_PER_EPOCH -d:DEFAULT_NETWORK=$NETWORK_NAME --hints:off --verbosity:0"
 
 BEACON_NODE_BIN="build/${NETWORK_NAME}_node"
 
@@ -24,5 +24,8 @@ if [ ! -d ~/.cache/nimbus/BeaconNode/${NETWORK_NAME}/validators ]; then
   $BEACON_NODE_BIN --network=$NETWORK_NAME importValidator
 fi
 
-$BEACON_NODE_BIN --network=$NETWORK_NAME --tcpPort:$BOOTSTRAP_PORT --udpPort:$BOOTSTRAP_PORT
+echo
+echo "A binary for connecting to $NETWORK_NAME was placed in '$BEACON_NODE_BIN'"
+echo "To sync with the network, launch it with default parameters"
+echo