diff --git a/xexe/processes.py b/xexe/processes.py
index 6bd47d8..3c7768d 100644
--- a/xexe/processes.py
+++ b/xexe/processes.py
@@ -1,6 +1,7 @@
 import logging
 import os
 import pathlib
+from itertools import combinations
 from typing import List, Set, Union
 
 from money.currency import Currency
@@ -11,11 +12,7 @@ from xexe.currency_pair import CurrencyPair
 from xexe.exchange_rates import ExchangeRates, add_equal_rates, add_inverse_rates
 from xexe.rate_fetching import build_rate_fetcher
 from xexe.rate_writing import build_rate_writer
-from xexe.utils import (
-    DateRange,
-    generate_currency_and_dates_combinations,
-    generate_pairs_and_dates_combinations,
-)
+from xexe.utils import DateRange, generate_pairs_and_dates_combinations
 
 logger = logging.getLogger()
 
@@ -84,14 +81,14 @@ def run_get_rates(
     process_state = GetRatesProcessState(ignore_warnings=ignore_warnings)
 
     if currencies:
-        currency_and_date_combinations = generate_currency_and_dates_combinations(
-            date_range=date_range, currencies=currencies
-        )
+        pairs = list(combinations(currencies, 2))
+        pairs = [
+            CurrencyPair(from_currency=pair[0], to_currency=pair[1]) for pair in pairs
+        ]
 
-    if pairs:
-        currency_and_date_combinations = generate_pairs_and_dates_combinations(
-            date_range=date_range, pairs=pairs
-        )
+    currency_and_date_combinations = generate_pairs_and_dates_combinations(
+        date_range=date_range, pairs=pairs
+    )
 
     rates = obtain_rates_from_source(
         rates_source=rates_source,