diff --git a/predict.py b/predict.py
index 4ca07a0..b8237dd 100644
--- a/predict.py
+++ b/predict.py
@@ -6,6 +6,7 @@ from keras.applications.densenet import layers
 from sklearn.model_selection import train_test_split
 import tensorflow
 
+build_number = int(os.environ['BUILD_NUMBER'])
 
 reloaded = tensorflow.keras.models.load_model('test')
 
@@ -14,8 +15,9 @@ y_to_test = pandas.read_csv('./Y_test.csv')
 
 accu = reloaded.evaluate(x_to_test, y_to_test)
 
+
 with open('metrics.csv', 'a') as file:
-    file.write(f'{accu},')
+    file.write(f'{build_number},{accu}\n')
 
 pre = reloaded.predict(x_to_test)