diff --git a/swarms/tools/main.py b/swarms/tools/main.py
index fda6d6bf..27e0432e 100644
--- a/swarms/tools/main.py
+++ b/swarms/tools/main.py
@@ -31,7 +31,7 @@ class ToolScope(Enum):
 
 SessionGetter = Callable[[], Tuple[str, AgentExecutor]]
 
-openai_api_key = os.getenv("OPENAI_API_KEY")
+openai_api_key = os.environ["OPENAI_API_KEY"]
 llm = ChatOpenAI(model_name="gpt-4", temperature=1.0, openai_api_key=openai_api_key)