diff --git a/coderd/x/chatd/subagent_context_internal_test.go b/coderd/x/chatd/subagent_context_internal_test.go
index 5acdc1efaf..6d5a6e4513 100644
--- a/coderd/x/chatd/subagent_context_internal_test.go
+++ b/coderd/x/chatd/subagent_context_internal_test.go
@@ -477,6 +477,12 @@ func TestSpawnComputerUseAgentInheritsContext(t *testing.T) {
 	ctx := chatdTestContext(t)
 	parentChat := createParentChatWithInheritedContext(ctx, t, db, server)
 	insertEnabledAnthropicProvider(ctx, t, db, parentChat.OwnerID)
+	// The direct DB insert above bypasses the pubsub event that
+	// production uses to invalidate the provider cache. Explicitly
+	// invalidate here so the background processing goroutine does
+	// not serve a stale provider list (OpenAI only) that was cached
+	// before the Anthropic provider was inserted.
+	server.configCache.InvalidateProviders()
 
 	tools := server.subagentTools(ctx, func() database.Chat { return parentChat }, parentChat.LastModelConfigID)
 	tool := findToolByName(tools, spawnAgentToolName)