diff --git a/lib/wallet.py b/lib/wallet.py
index 751ed0326..81a0b16f0 100644
--- a/lib/wallet.py
+++ b/lib/wallet.py
@@ -537,7 +537,7 @@ class Abstract_Wallet(PrintError):
         for addr in domain:
             utxos = self.get_addr_utxo(addr)
             for x in utxos:
-                if x['coinbase'] and x['tx_height'] + COINBASE_MATURITY > self.get_local_height():
+                if x['coinbase'] and x['height'] + COINBASE_MATURITY > self.get_local_height():
                     continue
                 coins.append(x)
                 continue