diff --git a/data_processor/base_bars.py b/data_processor/base_bars.py
index 5311948..2b550e6 100644
--- a/data_processor/base_bars.py
+++ b/data_processor/base_bars.py
@@ -28,7 +28,7 @@ def batch_run(self, verbose=True):
             full_bars.columns = cols
             #print(type(list_bars[2][3]))
             #list_bars.columns = cols
-            full_bars.to_csv(self.output_path, header=header, index=False, mode='a')
+            full_bars.to_csv(self.output_path, header=header, index=False)
             header = False