diff --git a/src/app.py b/src/app.py
index 85308fd..749c726 100644
--- a/src/app.py
+++ b/src/app.py
@@ -124,7 +124,7 @@ def main() -> None:
     st.sidebar.selectbox(
         label="Device",
         options=["CPU", "CUDA"],
-        index=1,
+        index=1 if torch.cuda.is_available() else 0,
         key="device",
         help="The device to use for inference.",
     )