diff --git a/test/functional/rpc_deprecated.py b/test/functional/rpc_deprecated.py
--- a/test/functional/rpc_deprecated.py
+++ b/test/functional/rpc_deprecated.py
@@ -43,6 +43,7 @@
         #
         address0 = self.nodes[0].getnewaddress()
         self.nodes[0].generatetoaddress(101, address0)
+        self.sync_all()
         address1 = self.nodes[1].getnewaddress()
         self.nodes[1].generatetoaddress(101, address1)