diff --git a/test/functional/test_framework/mininode.py b/test/functional/test_framework/mininode.py
--- a/test/functional/test_framework/mininode.py
+++ b/test/functional/test_framework/mininode.py
@@ -637,7 +637,8 @@
                     self.send_message(msg_block(block=b))
 
             else:
-                self.send_message(msg_headers([CBlockHeader(blocks[-1])]))
+                self.send_message(
+                    msg_headers([CBlockHeader(block) for block in blocks]))
                 wait_until(
                     lambda: blocks[-1].sha256 in self.getdata_requests, timeout=timeout, lock=mininode_lock)