diff --git a/optimum_benchmark/backends/pytorch/backend.py b/optimum_benchmark/backends/pytorch/backend.py
index 981e8baa..7dd2d7c8 100644
--- a/optimum_benchmark/backends/pytorch/backend.py
+++ b/optimum_benchmark/backends/pytorch/backend.py
@@ -278,13 +278,13 @@ def is_awq_quantized(self) -> bool:
     def is_exllamav2(self) -> bool:
         return (self.is_gptq_quantized or self.is_awq_quantized) and (
             (
-                getattr(self.pretrained_config, "quantization_config", None) is not None
-                and getattr(self.pretrained_config.quantization_config, "exllama_config", None) is not None
+                hasattr(self.pretrained_config, "quantization_config")
+                and hasattr(self.pretrained_config.quantization_config, "exllama_config")
                 and self.pretrained_config.quantization_config.exllama_config.get("exllama_version", None) == 2
             )
             or (
-                self.config.quantization_config.get("exllama_config", None) is not None
-                and self.config.quantization_config.exllama_config.get("exllama_version", None) == 2
+                "exllama_config" in self.config.quantization_config
+                and self.config.quantization_config["exllama_config"].get("exllama_version", None) == 2
             )
         )