1 files changed, 2 insertions, 1 deletions
diff --git a/synapse/util/metrics.py b/synapse/util/metrics.py
index 24123d5cc4..f4de6b9f54 100644
--- a/synapse/util/metrics.py
+++ b/synapse/util/metrics.py
@@ -111,7 +111,8 @@ class Measure:
         curr_context = current_context()
         if not curr_context:
             logger.warning(
-                "Starting metrics collection from sentinel context: metrics will be lost"
+                "Starting metrics collection %r from sentinel context: metrics will be lost",
+                name,
             )
             parent_context = None
         else: