diff --git a/plutus-pab-executables/tx-inject/config.yaml b/plutus-pab-executables/tx-inject/config.yaml
index dd60530d17..b9ddcad6bf 100644
--- a/plutus-pab-executables/tx-inject/config.yaml
+++ b/plutus-pab-executables/tx-inject/config.yaml
@@ -13,18 +13,18 @@ walletServerConfig:
     baseUrl: http://localhost:9081
 
 nodeServerConfig:
-  mscBaseUrl: http://localhost:9082
-  mscSocketPath: /tmp/node-server.sock
-  mscKeptBlocks: 100000
-  mscNetworkId: "1097911063"
-  mscSlotConfig:
+  pscBaseUrl: http://localhost:9082
+  pscSocketPath: /tmp/node-server.sock
+  pscKeptBlocks: 100000
+  pscNetworkId: "1097911063"
+  pscSlotConfig:
     scSlotZeroTime: 1596059091000 # Wednesday, July 29, 2020 21:44:51 - shelley launch time in milliseconds
     scSlotLength: 1000 # In milliseconds
-  mscFeeConfig:
+  pscFeeConfig:
     fcConstantFee:
       getLovelace: 10 # Constant fee per transaction in lovelace
     fcScriptsFeeFactor: 1.0 # Factor by which to multiply size-dependent scripts fee in lovelace
-  mscInitialTxWallets:
+  pscInitialTxWallets:
     - getWallet: 1
     - getWallet: 2
     - getWallet: 3
@@ -35,7 +35,7 @@ nodeServerConfig:
     - getWallet: 8
     - getWallet: 9
     - getWallet: 10
-  mscNodeMode: AlonzoNode
+  pscNodeMode: AlonzoNode
 
 chainIndexConfig:
   ciBaseUrl: http://localhost:9083
diff --git a/plutus-pab/src/Cardano/Node/Client.hs b/plutus-pab/src/Cardano/Node/Client.hs
index 7ed579df84..8219fc7d88 100644
--- a/plutus-pab/src/Cardano/Node/Client.hs
+++ b/plutus-pab/src/Cardano/Node/Client.hs
@@ -1,6 +1,7 @@
 {-# LANGUAGE DataKinds        #-}
 {-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE GADTs            #-}
+{-# LANGUAGE NamedFieldPuns   #-}
 {-# LANGUAGE RankNTypes       #-}
 {-# LANGUAGE TypeApplications #-}
 {-# LANGUAGE TypeOperators    #-}
@@ -15,8 +16,9 @@ import Ledger.TimeSlot (SlotConfig)
 import Servant (NoContent, (:<|>) (..))
 import Servant.Client (ClientM, client)
 
+import Cardano.Api.NetworkId.Extra (NetworkIdWrapper (..))
 import Cardano.Node.API (API)
-import Cardano.Node.Types (ChainSyncHandle, PABServerConfig, PABServerLogMsg)
+import Cardano.Node.Types (ChainSyncHandle, NodeMode (..), PABServerConfig (..), PABServerLogMsg)
 import Cardano.Protocol.Socket.Client qualified as Client
 import Cardano.Protocol.Socket.Mock.Client qualified as MockClient
 import Control.Monad.Freer.Extras.Log (LogMessage)
@@ -51,8 +53,22 @@ handleNodeClientClient slotCfg e = do
             either (liftIO . MockClient.getCurrentSlot) (liftIO . Client.getCurrentSlot) chainSyncHandle
         GetClientSlotConfig -> pure slotCfg
 
+-- | This does not seem to support resuming so it means that the slot tick will
+-- be behind everything else. This is due to having 2 connections to the node
+-- one for chainSync/block transfer and one for chainSync/currentSlot information.
+-- TODO: Think about merging the two functionalities, or keep them in sync.
 runChainSyncWithCfg ::
      PABServerConfig
   -> IO ChainSyncHandle
-runChainSyncWithCfg = undefined
-
+runChainSyncWithCfg PABServerConfig { pscSocketPath
+                                    , pscNodeMode
+                                    , pscNetworkId
+                                    , pscSlotConfig } =
+    case pscNodeMode of
+      AlonzoNode ->
+          Right <$> Client.runChainSync' pscSocketPath
+                                         pscSlotConfig
+                                         (unNetworkIdWrapper pscNetworkId)
+                                         []
+      MockNode   ->
+          Left <$> MockClient.runChainSync' pscSocketPath pscSlotConfig
diff --git a/plutus-pab/src/Plutus/PAB/App.hs b/plutus-pab/src/Plutus/PAB/App.hs
index bf87015a74..2c631ea7fa 100644
--- a/plutus-pab/src/Plutus/PAB/App.hs
+++ b/plutus-pab/src/Plutus/PAB/App.hs
@@ -33,7 +33,7 @@ import Cardano.Api.ProtocolParameters ()
 import Cardano.Api.Shelley (ProtocolParameters)
 import Cardano.BM.Trace (Trace, logDebug)
 import Cardano.ChainIndex.Types qualified as ChainIndex
-import Cardano.Node.Client (handleNodeClientClient)
+import Cardano.Node.Client (handleNodeClientClient, runChainSyncWithCfg)
 import Cardano.Node.Types (ChainSyncHandle, NodeMode (AlonzoNode, MockNode),
                            PABServerConfig (PABServerConfig, pscBaseUrl, pscNetworkId, pscNodeMode, pscProtocolParametersJsonPath, pscSlotConfig, pscSocketPath))
 import Cardano.Protocol.Socket.Mock.Client qualified as MockClient
@@ -250,7 +250,7 @@ data StorageBackend = BeamSqliteBackend | InMemoryBackend
 
 mkEnv :: Trace IO (PABLogMsg (Builtin a)) -> Config -> IO (AppEnv a)
 mkEnv appTrace appConfig@Config { dbConfig
-             , nodeServerConfig = PABServerConfig{pscBaseUrl, pscSocketPath, pscSlotConfig, pscProtocolParametersJsonPath}
+             , nodeServerConfig = PABServerConfig{pscBaseUrl, pscSocketPath, pscProtocolParametersJsonPath}
              , walletServerConfig
              , chainIndexConfig
              } = do
@@ -260,7 +260,7 @@ mkEnv appTrace appConfig@Config { dbConfig
     dbConnection <- dbConnect appTrace dbConfig
     txSendHandle <- liftIO $ MockClient.runTxSender pscSocketPath
     -- This is for access to the slot number in the interpreter
-    chainSyncHandle <- Left <$> (liftIO $ MockClient.runChainSync' pscSocketPath pscSlotConfig)
+    chainSyncHandle <- runChainSyncWithCfg $ nodeServerConfig appConfig
     appInMemContractStore <- liftIO initialInMemInstances
     protocolParameters <- maybe (pure def) readPP pscProtocolParametersJsonPath
     pure AppEnv {..}