diff --git a/solarwinds_apm/apm_config.py b/solarwinds_apm/apm_config.py
index 6d0557d9..475bf904 100644
--- a/solarwinds_apm/apm_config.py
+++ b/solarwinds_apm/apm_config.py
@@ -709,6 +709,8 @@ def _set_config_value(self, keys_str: str, val: Any) -> Any:
                 self.__config[key] = val
                 # update logging level of agent logger
                 apm_logging.set_sw_log_level(val)
+            elif keys == ["transaction_name"]:
+                self.__config[key] = val
             elif isinstance(sub_dict, dict) and keys[-1] in sub_dict:
                 if isinstance(sub_dict[keys[-1]], bool):
                     val = self.convert_to_bool(val)