diff --git a/sequencer/config.go b/sequencer/config.go
index c2c2fd6c..6f5dcbc9 100644
--- a/sequencer/config.go
+++ b/sequencer/config.go
@@ -68,6 +68,11 @@ func updateDaConfigInToml(rlpCfg config.RollappConfig, dymintCfg *toml.Tree) err
 		}
 		dymintCfg.Set("namespace_id", celDAManager.NamespaceID)
 	}
+
+	if rlpCfg.DA == config.Local {
+		dymintCfg.Set("da_layer", "mock")
+	}
+
 	return nil
 }