diff --git a/elasticapm/base.py b/elasticapm/base.py
index cbf25f4a4..a6db29cca 100644
--- a/elasticapm/base.py
+++ b/elasticapm/base.py
@@ -631,5 +631,5 @@ def set_client(client):
     global CLIENT_SINGLETON
     if CLIENT_SINGLETON:
         logger = get_logger("elasticapm")
-        logger.debug("Client object is being set more than once")
+        logger.debug("Client object is being set more than once", stack_info=True)
     CLIENT_SINGLETON = client