diff --git a/app/config/config.py b/app/config/config.py
index 569032b..80d477f 100644
--- a/app/config/config.py
+++ b/app/config/config.py
@@ -111,6 +111,9 @@ def __init__(self):
         self.sentry_profiles_sample_rate = float(
             self.load("SENTRY_PROFILES_SAMPLE_RATE", "0.01")
         )
+        self.rpc_base_mainnet = self.load(
+            "RPC_BASE_MAINNET", "https://mainnet.base.org"
+        )
         # ===== config loaded
         # Now we know the env, set up logging
         setup_logging(self.env, self.debug)
diff --git a/app/core/engine.py b/app/core/engine.py
index 3846a48..a65e564 100644
--- a/app/core/engine.py
+++ b/app/core/engine.py
@@ -191,7 +191,7 @@ def initialize_agent(aid):
                     agent.enso_config.get("api_token"),
                     agent.enso_config.get("main_tokens", list[str]()),
                     agentkit.wallet if agentkit else None,
-                    agent.rpc_config,
+                    config.rpc_base_mainnet,
                     skill_store,
                     aid,
                 )