diff --git a/bittensor/subtensor.py b/bittensor/subtensor.py
index cf48c219f2..d85983193e 100644
--- a/bittensor/subtensor.py
+++ b/bittensor/subtensor.py
@@ -92,18 +92,18 @@
 
 T = TypeVar("T")
 
-
 #######
-# Monkey patch in caching the get_decoder_class method
+# Monkey patch in caching the convert_type_string method
 #######
-if hasattr(RuntimeConfiguration, "get_decoder_class"):
-    original_get_decoder_class = RuntimeConfiguration.get_decoder_class
+if hasattr(RuntimeConfiguration, "convert_type_string"):
+    original_convert_type_string = RuntimeConfiguration.convert_type_string
 
     @functools.lru_cache(maxsize=None)
-    def cached_get_decoder_class(self, type_string):
-        return original_get_decoder_class(self, type_string)
+    def convert_type_string(cls, name):
+        return original_convert_type_string(cls, name)
+
+    RuntimeConfiguration.convert_type_string = convert_type_string
 
-    RuntimeConfiguration.get_decoder_class = cached_get_decoder_class
 
 #######