diff --git a/bitcoinkit/src/main/kotlin/io/horizontalsystems/bitcoinkit/managers/ApiFeeRate.kt b/bitcoinkit/src/main/kotlin/io/horizontalsystems/bitcoinkit/managers/ApiFeeRate.kt
index 241204131..f33cdd4d0 100644
--- a/bitcoinkit/src/main/kotlin/io/horizontalsystems/bitcoinkit/managers/ApiFeeRate.kt
+++ b/bitcoinkit/src/main/kotlin/io/horizontalsystems/bitcoinkit/managers/ApiFeeRate.kt
@@ -19,9 +19,9 @@ class ApiFeeRate(networkType: BitcoinKit.NetworkType) {
 
                 val btcRates = json.get("rates").asObject().get(coinCode).asObject()
                 val rate = FeeRate().apply {
-                    lowPriority = btcRates["low_priority"].asString().toDouble()
-                    mediumPriority = btcRates["medium_priority"].asString().toDouble()
-                    highPriority = btcRates["high_priority"].asString().toDouble()
+                    lowPriority = btcRates["low_priority"].asDouble()
+                    mediumPriority = btcRates["medium_priority"].asDouble()
+                    highPriority = btcRates["high_priority"].asDouble()
                     date = json["time"].asLong()
                     dateStr = json["time_str"].asString()
                 }
diff --git a/bitcoinkit/src/test/kotlin/io/horizontalsystems/bitcoinkit/managers/ApiFeeRateTest.kt b/bitcoinkit/src/test/kotlin/io/horizontalsystems/bitcoinkit/managers/ApiFeeRateTest.kt
index 95fc55d74..e7be4b0f1 100644
--- a/bitcoinkit/src/test/kotlin/io/horizontalsystems/bitcoinkit/managers/ApiFeeRateTest.kt
+++ b/bitcoinkit/src/test/kotlin/io/horizontalsystems/bitcoinkit/managers/ApiFeeRateTest.kt
@@ -29,9 +29,9 @@ class ApiFeeRateTest {
     }
 
     private val coinJsonObject = JsonObject().apply {
-        this.add("low_priority", feeRate.lowPriority.toString())
-        this.add("medium_priority", feeRate.mediumPriority.toString())
-        this.add("high_priority", feeRate.highPriority.toString())
+        this.add("low_priority", feeRate.lowPriority.toInt())
+        this.add("medium_priority", feeRate.mediumPriority.toInt())
+        this.add("high_priority", feeRate.highPriority.toInt())
     }
 
     private val btcJsonObject = JsonObject().add("BTC", coinJsonObject)