diff --git a/tests/simple_telemetry_listener.c b/tests/simple_telemetry_listener.c
index f482bd8ae0fe5c96a8d794ff81a7828e4e34874f..3a3b7e70513fb17e5bbb466383a48a9bb4c800ab 100644
--- a/tests/simple_telemetry_listener.c
+++ b/tests/simple_telemetry_listener.c
@@ -246,7 +246,7 @@ store_telemetry_maestro(mstro_pool_event e, const char *message, va_list args)
   e=e; /* avoid unused arg */
 
   mstro_vlocation_aware_log(MSTRO_LOG_INFO, MSTRO_LOG_MODULE_TELEMETRY,
-                            __FUNCTION__, __FILE__, __LINE__, message, args);  
+                            __func__, __FILE__, __LINE__, message, args);  
 }
 
 static void