1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/handlers/profile.py b/synapse/handlers/profile.py
index 136128b625..fb31711b29 100644
--- a/synapse/handlers/profile.py
+++ b/synapse/handlers/profile.py
@@ -39,7 +39,7 @@ from ._base import BaseHandler
 
 logger = logging.getLogger(__name__)
 
-MAX_DISPLAYNAME_LEN = 100
+MAX_DISPLAYNAME_LEN = 256
 MAX_AVATAR_URL_LEN = 1000