1 files changed, 5 insertions, 0 deletions
diff --git a/synapse/config/experimental.py b/synapse/config/experimental.py
index 6599679731..cab7ccf4b7 100644
--- a/synapse/config/experimental.py
+++ b/synapse/config/experimental.py
@@ -192,5 +192,10 @@ class ExperimentalConfig(Config):
         # MSC2659: Application service ping endpoint
         self.msc2659_enabled = experimental.get("msc2659_enabled", False)
 
+        # MSC3981: Recurse relations
+        self.msc3981_recurse_relations = experimental.get(
+            "msc3981_recurse_relations", False
+        )
+
         # MSC3970: Scope transaction IDs to devices
         self.msc3970_enabled = experimental.get("msc3970_enabled", False)