diff --git a/Neural Networks and Deep Learning/week2/basics_numpy.py b/Neural Networks and Deep Learning/week2/basics_numpy.py
index 8b046ec..4109c1c 100644
--- a/Neural Networks and Deep Learning/week2/basics_numpy.py	
+++ b/Neural Networks and Deep Learning/week2/basics_numpy.py	
@@ -135,7 +135,7 @@ def L2(yhat, y):
         """
 
         ### START CODE HERE ### (≈ 1 line of code)
-        loss = np.sum(np.multiply(y - yhat), y - yhat, axis=0, keepdims=True)
+        loss = np.sum(np.multiply(y - yhat, y - yhat), axis=0, keepdims=True)
         ### END CODE HERE ###
 
         return loss
@@ -153,4 +153,4 @@ def main():
 
 
 if __name__ == "__main__":
-    main()
\ No newline at end of file
+    main()