diff --git a/test/components/summarizers/test_summarizer.py b/test/components/summarizers/test_summarizer.py
index a44df198..ff1f67f4 100644
--- a/test/components/summarizers/test_summarizer.py
+++ b/test/components/summarizers/test_summarizer.py
@@ -80,7 +80,8 @@ def test_to_dict(self):
         assert init_params["summarize_recursively"] is True
         assert init_params["split_overlap"] == 25
 
-    def test_from_dict(self):
+    def test_from_dict(self, monkeypatch):
+        monkeypatch.setenv("OPENAI_API_KEY", "placeholder")
         mock_generator = Mock()
         mock_generator.to_dict = Mock(
             return_value={
@@ -204,4 +205,3 @@ def test_integration_recursive_summarization(self):
         assert len(result["documents"]) == 1
         assert "summary" in result["documents"][0].meta
         assert len(result["documents"][0].meta["summary"]) < len(doc.content)
-