1 files changed, 3 insertions, 9 deletions
diff --git a/synapse/streams/config.py b/synapse/streams/config.py
index 5cb7875181..a044280410 100644
--- a/synapse/streams/config.py
+++ b/synapse/streams/config.py
@@ -18,7 +18,7 @@ import attr
 
 from synapse.api.constants import Direction
 from synapse.api.errors import SynapseError
-from synapse.http.servlet import parse_integer, parse_string
+from synapse.http.servlet import parse_enum, parse_integer, parse_string
 from synapse.http.site import SynapseRequest
 from synapse.storage.databases.main import DataStore
 from synapse.types import StreamToken
@@ -44,15 +44,9 @@ class PaginationConfig:
         store: "DataStore",
         request: SynapseRequest,
         default_limit: int,
-        default_dir: str = "f",
+        default_dir: Direction = Direction.FORWARDS,
     ) -> "PaginationConfig":
-        direction_str = parse_string(
-            request,
-            "dir",
-            default=default_dir,
-            allowed_values=[Direction.FORWARDS.value, Direction.BACKWARDS.value],
-        )
-        direction = Direction(direction_str)
+        direction = parse_enum(request, "dir", Direction, default=default_dir)
 
         from_tok_str = parse_string(request, "from")
         to_tok_str = parse_string(request, "to")