1 files changed, 3 insertions, 0 deletions
diff --git a/synapse/rest/admin/experimental_features.py b/synapse/rest/admin/experimental_features.py
index c1559c92f7..d7913896d9 100644
--- a/synapse/rest/admin/experimental_features.py
+++ b/synapse/rest/admin/experimental_features.py
@@ -42,10 +42,13 @@ class ExperimentalFeature(str, Enum):
     """
 
     MSC3881 = "msc3881"
+    MSC3575 = "msc3575"
 
     def is_globally_enabled(self, config: "HomeServerConfig") -> bool:
         if self is ExperimentalFeature.MSC3881:
             return config.experimental.msc3881_enabled
+        if self is ExperimentalFeature.MSC3575:
+            return config.experimental.msc3575_enabled
 
         assert_never(self)