diff --git a/tests/test_builder.py b/tests/test_builder.py
index 8fcd2e742..f12982ba1 100644
--- a/tests/test_builder.py
+++ b/tests/test_builder.py
@@ -2,7 +2,7 @@ import pytest
 
 from llm.core.types import Message, Role, ToolDefinition
 from llm.prompt import PromptBuilder, adapt_messages_for_provider
-from llm.prompt.builder import PromptConfig
+from llm.prompt.builder import PromptConfig, get_provider_builder
 
 
 class TestPromptBuilder:
@@ -90,6 +90,7 @@ class TestAdaptMessagesForProvider:
 
         result = adapt_messages_for_provider(messages, " ollama ", tools)
 
+        assert get_provider_builder(" ollama ").config.tool_format == "text"
         assert len(result) == 2
         assert result[0].role == Role.SYSTEM
         assert "Available Tools" in result[0].content