diff --git a/funpack.py b/funpack.py
index e4ec0d0f..d0e28f30 100644
--- a/funpack.py
+++ b/funpack.py
@@ -538,6 +538,10 @@ class FunPackPromptEnhancer:
                 {"role": "user", "content": user_prompt}
             ]
 
+            if llm_tokenizer.pad_token_id is None:
+                llm_tokenizer.pad_token = llm_tokenizer.eos_token
+                llm_tokenizer.pad_token_id = llm_tokenizer.eos_token_id
+
             llm_tokens = llm_tokenizer.apply_chat_template(
                 messages,
                 add_generation_prompt=True,
@@ -1186,5 +1190,6 @@ NODE_DISPLAY_NAME_MAPPINGS = {
 
 
 
+