diff --git a/currency_rate_update_coingecko/models/res_currency_rate_provider_CoinGecko.py b/currency_rate_update_coingecko/models/res_currency_rate_provider_CoinGecko.py
index e14ca04..edea87c 100644
--- a/currency_rate_update_coingecko/models/res_currency_rate_provider_CoinGecko.py
+++ b/currency_rate_update_coingecko/models/res_currency_rate_provider_CoinGecko.py
@@ -46,7 +46,7 @@ def _get_historical_rate_from_coingecko(self, date_from, date_to, base_currency)
         while current_date <= date_to:
             content[current_date] = {}
             for (
-                currency
+                    currency
             ) in self.currency_ids.res_currency_rate_provider_mapping_ids.filtered(
                 lambda rpm: rpm.provider_service == self.service
             ):
@@ -68,19 +68,20 @@ def _get_historical_rate_from_coingecko(self, date_from, date_to, base_currency)
                         body=_(
                             'Currency Rate Provider "%(name)s" failed to obtain data(check the rate provider mapping on the currency) :\n%(error)s'
                         )
-                        % {
-                            "name": self.name,
-                            "currency": currency.currency_id.name,
-                            "error": str(e) if e else _("N/A"),
-                        },
+                             % {
+                                 "name": self.name,
+                                 "currency": currency.currency_id.name,
+                                 "error": str(e) if e else _("N/A"),
+                             },
                     )
                     continue
-                rate = (
-                    coin_data.get("market_data")
-                    .get("current_price")
-                    .get(base_currency.lower(), 0)
-                )
-                if rate:
-                    content[current_date].update({currency.currency_id.name: 1 / rate})
+                if coin_data:
+                    rate = (
+                        coin_data.get("market_data", {})
+                        .get("current_price", {})
+                        .get(base_currency.lower(), 0)
+                    )
+                    if rate:
+                        content[current_date].update({currency.currency_id.name: 1 / rate})
             current_date += timedelta(days=1)
         return content