diff --git a/api/core/model_runtime/model_providers/ollama/llm/llm.py b/api/core/model_runtime/model_providers/ollama/llm/llm.py
index dd58a563ab..42a588e3dd 100644
--- a/api/core/model_runtime/model_providers/ollama/llm/llm.py
+++ b/api/core/model_runtime/model_providers/ollama/llm/llm.py
@@ -195,7 +195,7 @@ class OllamaLargeLanguageModel(LargeLanguageModel):
         data["options"] = model_parameters or {}
 
         if stop:
-            data["stop"] = "\n".join(stop)
+            data["options"]["stop"] = stop
 
         completion_type = LLMMode.value_of(credentials["mode"])