diff --git a/openai/api_resources/customer.py b/openai/api_resources/customer.py
index cb9779a2f1..8690d07b38 100644
--- a/openai/api_resources/customer.py
+++ b/openai/api_resources/customer.py
@@ -3,7 +3,7 @@
 
 class Customer(OpenAIObject):
     @classmethod
-    def get_url(self, customer, endpoint):
+    def get_url(cls, customer, endpoint):
         return f"/customer/{customer}/{endpoint}"
 
     @classmethod
diff --git a/openai/api_resources/moderation.py b/openai/api_resources/moderation.py
index 4b8b58c6d9..bd19646b49 100644
--- a/openai/api_resources/moderation.py
+++ b/openai/api_resources/moderation.py
@@ -7,7 +7,7 @@ class Moderation(OpenAIObject):
     VALID_MODEL_NAMES: List[str] = ["text-moderation-stable", "text-moderation-latest"]
 
     @classmethod
-    def get_url(self):
+    def get_url(cls):
         return "/moderations"
 
     @classmethod