diff --git a/evaluation.py b/evaluation.py
index f8f7b0e..57165d8 100644
--- a/evaluation.py
+++ b/evaluation.py
@@ -24,7 +24,7 @@ print("RMSE: ",metrics[2])
 
 
 
-with open('eval.csv', 'a', newline='') as f:
+with open('eval.csv', 'a+', newline='') as f:
     writer = csv.writer(f)
     writer.writerow((metrics[0],metrics[1], metrics[2]))