diff --git a/langchain/llms/huggingface_pipeline.py b/langchain/llms/huggingface_pipeline.py
index f10f93354f1..92da6f5fbab 100644
--- a/langchain/llms/huggingface_pipeline.py
+++ b/langchain/llms/huggingface_pipeline.py
@@ -179,7 +179,7 @@ class HuggingFacePipeline(LLM):
                 f"Got invalid task {self.pipeline.task}, "
                 f"currently only {VALID_TASKS} are supported"
             )
-        if stop is not None:
+        if stop:
             # This is a bit hacky, but I can't figure out a better way to enforce
             # stop tokens when making calls to huggingface_hub.
             text = enforce_stop_tokens(text, stop)