diff --git a/datagen.py b/datagen.py
index 7d3b25f..3a4734c 100644
--- a/datagen.py
+++ b/datagen.py
@@ -33,7 +33,7 @@
 
     # create the folder if it does not exist
     if not os.path.exists(out_path):
-        os.mkdir(out_path)
+        os.makedirs(out_path)
 
     # if no customers file provided, generate a customers file
     if customer_file is None and num_cust is not None: