1 files changed, 4 insertions, 3 deletions
diff --git a/synapse/config/experimental.py b/synapse/config/experimental.py
index 1d294f8798..54c91953e1 100644
--- a/synapse/config/experimental.py
+++ b/synapse/config/experimental.py
@@ -179,9 +179,10 @@ class ExperimentalConfig(Config):
             "msc3783_escape_event_match_key", False
         )
 
-        # MSC3952: Intentional mentions
-        self.msc3952_intentional_mentions = experimental.get(
-            "msc3952_intentional_mentions", False
+        # MSC3952: Intentional mentions, this depends on MSC3758.
+        self.msc3952_intentional_mentions = (
+            experimental.get("msc3952_intentional_mentions", False)
+            and self.msc3758_exact_event_match
         )
 
         # MSC3959: Do not generate notifications for edits.