diff --git a/src/resources/extensions/sf/tests/auto-model-selection.test.ts b/src/resources/extensions/sf/tests/auto-model-selection.test.ts
index 1ea85abd5..48e212f8e 100644
--- a/src/resources/extensions/sf/tests/auto-model-selection.test.ts
+++ b/src/resources/extensions/sf/tests/auto-model-selection.test.ts
@@ -660,7 +660,10 @@ test("selectAndApplyModel enforces advisor_allowed_providers for subagent units"
 				"advisor_allowed_providers:",
 				"  - anthropic",
 				"models:",
-				"  subagent: openai/gpt-4o",
+				"  subagent:",
+				"    model: openai/gpt-4o",
+				"    fallbacks:",
+				"      - anthropic/claude-sonnet-4-6",
 				"---",
 			].join("\n"),
 			"utf-8",