diff --git a/scripts/estimate/estimation.py b/scripts/estimate/estimation.py
index 09b1ce4f..c4d1e9c9 100644
--- a/scripts/estimate/estimation.py
+++ b/scripts/estimate/estimation.py
@@ -70,7 +70,7 @@ def estimate_memory(job_config: JobConfig):
         tp=job_config.training.tensor_parallel_degree,
         pp=job_config.experimental.pipeline_parallel_degree,
         world_size=world_size,
-        enable_loss_parallel=job_config.training.enable_loss_parallel,
+        enable_loss_parallel=not job_config.training.disable_loss_parallel,
     )
 
     device = torch.device(f"cuda:{int(os.environ['LOCAL_RANK'])}")