diff --git a/features/consolidated_misc.feature b/features/consolidated_misc.feature
index e8e21a0a5..575371f6a 100644
--- a/features/consolidated_misc.feature
+++ b/features/consolidated_misc.feature
@@ -42,7 +42,7 @@ Feature: Consolidated Misc
 
   Scenario: Dispatch session.close returns status closed
     Given a new A2aLocalFacade with no services
-    When I dispatch operation "session.close" with params {}
+    When I dispatch operation "session.close" with params {"session_id": "01M6SM0KESESS0N00000000000"}
     Then the response status should be "ok"
     And response data key "status" equals "closed"
 
@@ -563,7 +563,7 @@ Feature: Consolidated Misc
   Scenario: M6 smoke A2A session close returns closed status
     Given a m6 smoke test runner
     And a m6 smoke A2A local facade
-    When I m6 smoke dispatch "session.close" with params {}
+    When I m6 smoke dispatch "session.close" with params {"session_id": "01M6SM0KESESS0N00000000000"}
     Then the m6 smoke response status should be "ok"
     And the m6 smoke response data "status" should equal "closed"
 
diff --git a/features/m6_autonomy_acceptance.feature b/features/m6_autonomy_acceptance.feature
index d2a832996..ae38e7698 100644
--- a/features/m6_autonomy_acceptance.feature
+++ b/features/m6_autonomy_acceptance.feature
@@ -35,7 +35,7 @@ Feature: M6 autonomy acceptance smoke tests
     And the m6 smoke response data should contain key "status"
 
   Scenario: M6 smoke A2A session close returns closed status
-    When I m6 smoke dispatch "session.close" with params {}
+    When I m6 smoke dispatch "session.close" with params {"session_id": "01M6SM0KESESS0N00000000000"}
     Then the m6 smoke response status should be "ok"
     And the m6 smoke response data "status" should equal "closed"