diff --git a/services/mana-video-gen/app/ltx_service.py b/services/mana-video-gen/app/ltx_service.py
index 26d3f856f..d411da8c8 100644
--- a/services/mana-video-gen/app/ltx_service.py
+++ b/services/mana-video-gen/app/ltx_service.py
@@ -68,7 +68,7 @@ def get_model_info() -> dict:
 
         gpu_name = torch.cuda.get_device_name(0) if torch.cuda.is_available() else "N/A"
         vram_gb = (
-            round(torch.cuda.get_device_properties(0).total_mem / 1e9, 1)
+            round(torch.cuda.get_device_properties(0).total_memory / 1e9, 1)
             if torch.cuda.is_available()
             else 0
         )