diff --git a/configs/coins/monacoin.json b/configs/coins/monacoin.json
index fadd2b37..f8f2c1d3 100644
--- a/configs/coins/monacoin.json
+++ b/configs/coins/monacoin.json
@@ -59,7 +59,10 @@
       "xpub_magic_segwit_p2sh": 77429938,
       "xpub_magic_segwit_native": 78792518,
       "slip44": 22,
-      "additional_params": {}
+      "additional_params": {
+        "fiat_rates": "coingecko",
+        "fiat_rates_params": "{\"url\": \"https://api.coingecko.com/api/v3\", \"coin\": \"monacoin\", \"periodSeconds\": 60}"
+      }
     }
   },
   "meta": {