diff --git a/simplemind/utils.py b/simplemind/utils.py
index 2828753..f39c036 100644
--- a/simplemind/utils.py
+++ b/simplemind/utils.py
@@ -3,6 +3,7 @@ from typing import Union
 
 from .providers import providers
 
+_PROVIDER_NAMES = [provider.NAME.lower() for provider in providers]
 
 def find_provider(provider_name: Union[str, None]):
     """Find a provider by name."""
@@ -12,8 +13,7 @@ def find_provider(provider_name: Union[str, None]):
                 # Instantiate the provider
                 return provider_class()
     
-    providers_name = [provider.NAME.lower() for provider in providers]
-    provider_found = difflib.get_close_matches(provider_name.lower(), providers_name, n=1) # Show only one suggestion
+    provider_found = difflib.get_close_matches(provider_name.lower(), _PROVIDER_NAMES, n=1) # Show only one suggestion
     
     if provider_found:
         raise ValueError(f"Provider {provider_name} not found. Maybe you try to use is '{provider_found[0]}'?")