diff --git a/monero/backends/jsonrpc.py b/monero/backends/jsonrpc.py
index d7c5efd..b0df597 100644
--- a/monero/backends/jsonrpc.py
+++ b/monero/backends/jsonrpc.py
@@ -361,7 +361,8 @@ _err2exc = {
     -16: exceptions.TransactionNotPossible,
     -17: exceptions.NotEnoughMoney,
     -20: exceptions.AmountIsZero,
-    -37: exceptions.NotEnoughUnlockedMoney, # PR pending: https://github.com/monero-project/monero/pull/3197
-    -38: exceptions.NoDaemonConnection, # PR 3197
+    -37: exceptions.NotEnoughUnlockedMoney,
+    -38: exceptions.NoDaemonConnection,
+    -43: exceptions.WalletIsNotDeterministic, # https://github.com/monero-project/monero/pull/4653
     -32601: MethodNotFound,
 }
diff --git a/monero/exceptions.py b/monero/exceptions.py
index ef2bca3..389fbb5 100644
--- a/monero/exceptions.py
+++ b/monero/exceptions.py
@@ -38,3 +38,6 @@ class TransactionNotFound(AccountException):
 
 class SignatureCheckFailed(MoneroException):
     pass
+
+class WalletIsNotDeterministic(MoneroException):
+    pass