diff --git a/services/chain/protocol.privnet.yml b/services/chain/protocol.privnet.yml
index ad81cb5..d614613 100644
--- a/services/chain/protocol.privnet.yml
+++ b/services/chain/protocol.privnet.yml
@@ -28,6 +28,7 @@ ApplicationConfiguration:
   MinPeers: 0
   RPC:
     Enabled: true
+    SessionEnabled: true
     EnableCORSWorkaround: false
     MaxGasInvoke: 15
     Port: 30333
diff --git a/services/morph_chain/protocol.privnet.yml b/services/morph_chain/protocol.privnet.yml
index 6edc748..6992ced 100644
--- a/services/morph_chain/protocol.privnet.yml
+++ b/services/morph_chain/protocol.privnet.yml
@@ -29,6 +29,7 @@ ApplicationConfiguration:
   MinPeers: 0
   RPC:
     Enabled: true
+    SessionEnabled: true
     EnableCORSWorkaround: false
     MaxGasInvoke: 100
     Port: 30333