diff --git a/dbt/adapters/synapse/synapse_adapter.py b/dbt/adapters/synapse/synapse_adapter.py
index 5c02b579..9e6dfddb 100644
--- a/dbt/adapters/synapse/synapse_adapter.py
+++ b/dbt/adapters/synapse/synapse_adapter.py
@@ -1,5 +1,5 @@
 from dbt.adapters.base.relation import BaseRelation
-from dbt.adapters.cache import _make_ref_key_dict
+from dbt.adapters.cache import _make_ref_key_msg
 from dbt.adapters.fabric import FabricAdapter
 from dbt.adapters.sql.impl import CREATE_SCHEMA_MACRO_NAME
 from dbt.events.functions import fire_event
@@ -13,7 +13,7 @@ class SynapseAdapter(FabricAdapter):
 
     def create_schema(self, relation: BaseRelation) -> None:
         relation = relation.without_identifier()
-        fire_event(SchemaCreation(relation=_make_ref_key_dict(relation)))
+        fire_event(SchemaCreation(relation=_make_ref_key_msg(relation)))
         macro_name = CREATE_SCHEMA_MACRO_NAME
         kwargs = {
             "relation": relation,