1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/rest/client/v1/voip.py b/synapse/rest/client/v1/voip.py
index 747d46eac2..50277c6cf6 100644
--- a/synapse/rest/client/v1/voip.py
+++ b/synapse/rest/client/v1/voip.py
@@ -50,7 +50,7 @@ class VoipRestServlet(RestServlet):
             # We need to use standard padded base64 encoding here
             # encode_base64 because we need to add the standard padding to get the
             # same result as the TURN server.
-            password = base64.b64encode(mac.digest())
+            password = base64.b64encode(mac.digest()).decode("ascii")
 
         elif turnUris and turnUsername and turnPassword and userLifetime:
             username = turnUsername