diff --git a/lib/http/rpcbase.js b/lib/http/rpcbase.js
index 038c1550..81c7b3ab 100644
--- a/lib/http/rpcbase.js
+++ b/lib/http/rpcbase.js
@@ -203,6 +203,7 @@ RPCBase.prototype.call = async function call(body, query) {
           code = RPCBase.errors.INTERNAL_ERROR;
           this.logger.error('RPC internal error.');
           this.logger.error(err);
+          this.logger.error(err.stack);
           break;
       }