diff --git a/src/coins/btc/rpc.rs b/src/coins/btc/rpc.rs
index 31762a5..84975b9 100644
--- a/src/coins/btc/rpc.rs
+++ b/src/coins/btc/rpc.rs
@@ -91,7 +91,8 @@ impl BtcRpc {
   }
 
   pub async fn get_spendable(&self, address: &str) -> anyhow::Result<Vec<UnspentInputResponse>> {
-    self.rpc_call("getaddressunspent", &json!({"addresses": [address]})).await
+    tokio::time::sleep(core::time::Duration::from_secs(10)).await;
+    self.rpc_call("getaddressunspent", &[address]).await
   }
 
   pub async fn get_fee_per_byte(&self) -> anyhow::Result<u64> {