diff --git a/src/accelerate/parallelism_config.py b/src/accelerate/parallelism_config.py
index c4135f2f791..22d15d3678c 100644
--- a/src/accelerate/parallelism_config.py
+++ b/src/accelerate/parallelism_config.py
@@ -248,7 +248,7 @@ def get_device_mesh(self, device_type: Optional[str] = None):
             if device_type is not None:
                 self.device_mesh = self.build_device_mesh(device_type)
             else:
-                raise ("You need to pass a device_type e.g cuda to build the device mesh")
+                raise ValueError("You need to pass a device_type e.g cuda to build the device mesh")
         else:
             if device_type is not None:
                 if self.device_mesh.device_type != device_type: