diff --git a/src/models/utils.py b/src/models/utils.py
index a28a731..3ffa84c 100644
--- a/src/models/utils.py
+++ b/src/models/utils.py
@@ -38,10 +38,10 @@ class utils:
         file_path = Path(file_path)
 
         df = pd.DataFrame({"build_id": [build_id], "data": [data]})
-        df.to_csv(file_path, mode="a", header=False, index=False)
+        df.to_csv(file_path, mode="w", header=False, index=False)
 
 
 if __name__ == "__main__":
     x = 1.22
     build_id = 21
-    utils.save_data_to_csv("./results/eval.csv", build_id, x)
+    utils.save_data_to_csv("./results/acc.csv", build_id, x)