diff --git a/langchain/cache.py b/langchain/cache.py
index 3d89233d..c8e021c1 100644
--- a/langchain/cache.py
+++ b/langchain/cache.py
@@ -341,6 +341,8 @@ class GPTCache(BaseCache):
                 pre_embedding_func=get_prompt,
                 data_manager=get_data_manager(data_path=llm_string),
             )
+
+        self.gptcache_dict[llm_string] = _gptcache
         return _gptcache
 
     def _get_gptcache(self, llm_string: str) -> Any: