diff --git a/localization_log_gamma_model.py b/localization_log_gamma_model.py
index f5ea354..f83dbe5 100644
--- a/localization_log_gamma_model.py
+++ b/localization_log_gamma_model.py
@@ -119,7 +119,7 @@ def main(args):
         filepaths.extend(["{}/{}".format(args.folderpath, file) for file in files if '.pickle' in file])
 
     # prepare
-    if args.outputfile and not os.path.isfile(args.outputfile):
+    if args.outputfile:
         with open(args.outputfile, 'w') as f:
             f.write("filename,true_x,true_y,est_tx_x,est_tx_y,tx_pwr,env_gamma,fit_mse,rss_diff_5perc,rss_diff_95perc,rss_diff_med,rss_diff_avg\n")