diff --git a/src/timer_oro_api.cpp b/src/timer_oro_api.cpp
index 45e4a75..b94f959 100644
--- a/src/timer_oro_api.cpp
+++ b/src/timer_oro_api.cpp
@@ -93,7 +93,7 @@ inline void TimerOroApi<Op>::fetch_data (bool with_raw) {
 		if (429 == status_code) {
 		}
 		else {
-			throw err;
+			this->set_exception(std::current_exception());
 		}
 	}
 #endif