diff --git a/opencellid_parsing/003b.extract_only_enough_data_with_groundtruth.py b/opencellid_parsing/003b.extract_only_enough_data_with_groundtruth.py
index 2352bb9..5046360 100644
--- a/opencellid_parsing/003b.extract_only_enough_data_with_groundtruth.py
+++ b/opencellid_parsing/003b.extract_only_enough_data_with_groundtruth.py
@@ -19,8 +19,6 @@ data = pickle.load(open(pickle_fp_with_gt, 'rb'))
 threshold = int(input("please enter minimal number of measurements:"))
 
 outputfolder = '{}_extracted_thresh_{}'.format(folderpath.rstrip('/'), threshold)
-if not os.path.isdir(outputfolder):
-    os.makedirs(outputfolder)
 
 headline = '#lon,lat,sig,measure_at,upload_at,rating,speed,direction'
 headlines = {
@@ -55,3 +53,5 @@ for filepath in data:
         for dataline in data[filepath][1]:
             of.write(dataline + "\n")
 print("done: {} out of {} files extracted ({:.2f}%)".format(counter_valid, len(data), 100.0 * counter_valid / len(data)))
+
+os.rename('{}_extracted'.format(folderpath.rstrip('/')), outputfolder)