diff --git a/baseapp/baseapp.go b/baseapp/baseapp.go
index 9b4faa5376ed..1cca808ed799 100644
--- a/baseapp/baseapp.go
+++ b/baseapp/baseapp.go
@@ -1074,3 +1074,8 @@ func NoOpProcessProposal() sdk.ProcessProposalHandler {
 func (app *BaseApp) Close() error {
 	return nil
 }
+
+// ChainID returns the chainID of the BaseApp.
+func (app *BaseApp) ChainID() string {
+	return app.chainID
+}