diff --git a/scripts/flamegraph.py b/scripts/flamegraph.py
index 0bec49b..ffd67ea 100644
--- a/scripts/flamegraph.py
+++ b/scripts/flamegraph.py
@@ -122,6 +122,9 @@ def format_details(self, name, events):
             if "tls::ciphersuite" in events:
                 details.append(CIPHERSUITES.get(events["tls::ciphersuite"],
                                                 "unknown ciphersuite"))
+            for event in events:
+                if event.startswith("tls::ext::"):
+                    details.append(event[len("tls::ext::"):])
         elif name.startswith("tls::certificate_"):
             if "tls::signature_algorithm" in events:
                 details.append(