diff --git a/backends/exllamav2/grammar.py b/backends/exllamav2/grammar.py
index 2fac9f4d..adff61fc 100644
--- a/backends/exllamav2/grammar.py
+++ b/backends/exllamav2/grammar.py
@@ -64,7 +64,7 @@ def clear_grammar_func_cache():
     """Flush tokenizer_data cache to avoid holding references to
     tokenizers after unloading a model"""
 
-    _get_lmfe_tokenizer_data.clear_cache()
+    _get_lmfe_tokenizer_data.cache_clear()
 
 
 class ExLlamaV2Grammar: