diff --git a/llm_server/llm/openai/oai_to_vllm.py b/llm_server/llm/openai/oai_to_vllm.py
index 5f58da5..237dc16 100644
--- a/llm_server/llm/openai/oai_to_vllm.py
+++ b/llm_server/llm/openai/oai_to_vllm.py
@@ -37,9 +37,9 @@ def format_oai_err(err_msg):
 
 
 def validate_oai(parameters):
-    if parameters['temperature'] > 2:
+    if parameters.get('temperature', 0) > 2:
         return format_oai_err(f"{parameters['temperature']} is greater than the maximum of 2 - 'temperature'")
-    if parameters['temperature'] < 0:
+    if parameters.get('temperature', 0) < 0:
         return format_oai_err(f"{parameters['temperature']} less than the minimum of 0 - 'temperature'")
 
     if parameters.get('top_p', 1) > 2: