diff --git a/test/test_mqtt/test_mqtt.cpp b/test/test_mqtt/test_mqtt.cpp
index e3783f69..bbd0e07c 100644
--- a/test/test_mqtt/test_mqtt.cpp
+++ b/test/test_mqtt/test_mqtt.cpp
@@ -271,7 +271,7 @@ namespace fabomatic::tests
 
   /// @brief Keep the ESP32 HW watchdog alive.
   /// If code gets stuck this will cause an automatic reset.
-  void taskEspWatchdog()
+  void test_taskEspWatchdog()
   {
     static auto initialized = false;