Fix homeserver config parsing

1 files changed, 1 insertions, 1 deletions

diff --git a/synapse/config/tls.py b/synapse/config/tls.py

index c65487ceb9..7a3d6e3a02 100644
--- a/synapse/config/tls.py
+++ b/synapse/config/tls.py
@@ -28,7 +28,7 @@ class TlsConfig(Config):
         self.tls_private_key = self.read_tls_private_key(
             args.tls_private_key_path
         )
-        self.tls_dh_params_path = args.tls_dh_params_path
+        self.tls_dh_params_path = self.abspath(args.tls_dh_params_path)
 
     @classmethod
     def add_arguments(cls, parser):