diff --git a/scripts/import_investment_historicalrates.py b/scripts/import_investment_historicalrates.py
index 5aa4f07..de11273 100644
--- a/scripts/import_investment_historicalrates.py
+++ b/scripts/import_investment_historicalrates.py
@@ -17,7 +17,7 @@ except ImportError:
     sys.exit("proteus must be installed to use %s" % prog)
 
 
-def read_csv_file(file_name, dec_devider, date_fmt):
+def read_csv_file(file_name, dec_devider, date_fmt, delimiter):
     """ read file from csv
     """
     result = []
@@ -30,7 +30,7 @@ def read_csv_file(file_name, dec_devider, date_fmt):
     max_rate = None
 
     with open(file_name, 'r', encoding='latin1') as fhdl:
-        csv_lines = csv.DictReader(fhdl, dialect='excel')
+        csv_lines = csv.DictReader(fhdl, dialect='excel', delimiter=delimiter)
 
         for line in csv_lines:
             try :
@@ -134,23 +134,23 @@ def upload_rates(isin, rates_list, max_date, min_date):
         print('- nothing to upload')
 
 
-def do_import(csv_file, isin, dec_devider, date_fmt):
+def do_import(csv_file, isin, dec_devider, date_fmt, delimiter):
     """ run import
     """
     print('\n--== Import historical asset rates ==--')
     print('- file: %s' % csv_file)
     print('- ISIN: %s' % isin)
-    print('- date-format: %s, decimal divider: "%s"' % (date_fmt, dec_devider))
-    (lines, max_date, min_date) = read_csv_file(csv_file, dec_devider, date_fmt)
+    print('- date-format: %s, decimal divider: "%s", delimiter: "%s"' % (date_fmt, dec_devider, delimiter))
+    (lines, max_date, min_date) = read_csv_file(csv_file, dec_devider, date_fmt, delimiter)
     upload_rates(isin, lines, max_date, min_date)
 
     print('--== finish import ==--')
 
 
-def main(database, config_file, csv_file, dec_devider, date_fmt, isin):
+def main(database, config_file, csv_file, dec_devider, date_fmt, isin, delimiter):
     config.set_trytond(database, config_file=config_file)
     with config.get_config().set_context(active_test=False):
-        do_import(csv_file, isin, dec_devider, date_fmt)
+        do_import(csv_file, isin, dec_devider, date_fmt, delimiter)
 
 
 def run():
@@ -161,12 +161,15 @@ def run():
         help='CSV-file to import, should contain two columns: 1. date, 2. numeric, first line must have "date" and "rate"')
     parser.add_argument('-p', '--decimal', default=',', dest='decimal_divider',
         help='decimal divider, defaults to: ,')
+    parser.add_argument('-t', '--delimiter', default=';', dest='delimiter',
+        help='field delimiter for csv-table, defaults to: ;')
     parser.add_argument('-a', '--dateformat', default='%d.%m.%Y', dest='date_format',
         help='date format like %%d.%%m.%%Y or %%Y-%%m-%%d or similiar')
     parser.add_argument('-i', '--isin', dest='isin', required=True, help='ISIN of the target asset')
 
     args = parser.parse_args()
-    main(args.database, args.config_file, args.csv_file, args.decimal_divider, args.date_format, args.isin)
+    main(args.database, args.config_file, args.csv_file, args.decimal_divider, \
+        args.date_format, args.isin, args.delimiter)
 
 
 if __name__ == '__main__':