diff --git a/libs/langchain/langchain/chains/moderation.py b/libs/langchain/langchain/chains/moderation.py
index 70e43990ffa..a4b3551491c 100644
--- a/libs/langchain/langchain/chains/moderation.py
+++ b/libs/langchain/langchain/chains/moderation.py
@@ -38,7 +38,7 @@ class OpenAIModerationChain(Chain):
     output_key: str = "output"  #: :meta private:
     openai_api_key: Optional[str] = None
     openai_organization: Optional[str] = None
-    _openai_pre_1_0: bool = Field(default=None)
+    openai_pre_1_0: bool = Field(default=None)
 
     @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
@@ -58,16 +58,17 @@ class OpenAIModerationChain(Chain):
             openai.api_key = openai_api_key
             if openai_organization:
                 openai.organization = openai_organization
-            values["_openai_pre_1_0"] = False
+            values["openai_pre_1_0"] = False
             try:
                 check_package_version("openai", gte_version="1.0")
             except ValueError:
-                values["_openai_pre_1_0"] = True
-            if values["_openai_pre_1_0"]:
+                values["openai_pre_1_0"] = True
+            if values["openai_pre_1_0"]:
                 values["client"] = openai.Moderation
             else:
                 values["client"] = openai.OpenAI()
                 values["async_client"] = openai.AsyncOpenAI()
+
         except ImportError:
             raise ImportError(
                 "Could not import openai python package. "
@@ -92,7 +93,7 @@ class OpenAIModerationChain(Chain):
         return [self.output_key]
 
     def _moderate(self, text: str, results: Any) -> str:
-        if self._openai_pre_1_0:
+        if self.openai_pre_1_0:
             condition = results["flagged"]
         else:
             condition = results.flagged
@@ -110,7 +111,7 @@ class OpenAIModerationChain(Chain):
         run_manager: Optional[CallbackManagerForChainRun] = None,
     ) -> Dict[str, Any]:
         text = inputs[self.input_key]
-        if self._openai_pre_1_0:
+        if self.openai_pre_1_0:
             results = self.client.create(text)
             output = self._moderate(text, results["results"][0])
         else:
@@ -123,7 +124,7 @@ class OpenAIModerationChain(Chain):
         inputs: Dict[str, Any],
         run_manager: Optional[AsyncCallbackManagerForChainRun] = None,
     ) -> Dict[str, Any]:
-        if self._openai_pre_1_0:
+        if self.openai_pre_1_0:
             return await super()._acall(inputs, run_manager=run_manager)
         text = inputs[self.input_key]
         results = await self.async_client.moderations.create(input=text)