diff --git a/src/frostfs_testlib/s3/boto3_client.py b/src/frostfs_testlib/s3/boto3_client.py
index 5686b78..a644a6f 100644
--- a/src/frostfs_testlib/s3/boto3_client.py
+++ b/src/frostfs_testlib/s3/boto3_client.py
@@ -776,7 +776,7 @@ class Boto3ClientWrapper(S3ClientWrapper):
     def iam_get_policy(self, policy_arn: str) -> dict:
         response = self.boto3_iam_client.get_policy(PolicyArn=policy_arn)
         assert response.get("Policy"), f"Expected Policy in response:\n{response}"
-        assert response["Policy"].get("PolicyName") == policy_name, f"PolicyName should be equal to {policy_name}"
+        assert response["Policy"].get("Arn") == policy_arn, f"PolicyArn should be equal to {policy_arn}"
 
         return response