diff --git a/doc/Changelog b/doc/Changelog
index 25a032294..58c196b5a 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,3 +1,6 @@
+21 January 2018: Wouter
+	- Fix tcp idle timeout test, for difference in the tcp reply code.
+
 17 January 2018: Wouter
 	- For caps-for-id fallback, use the whitelist to avoid timeout
 	  starting a fallback sequence for it.
diff --git a/testdata/tcp_idle_timeout.tdir/tcp_idle_timeout.testns b/testdata/tcp_idle_timeout.tdir/tcp_idle_timeout.testns
index 14647723f..2e240b087 100644
--- a/testdata/tcp_idle_timeout.tdir/tcp_idle_timeout.testns
+++ b/testdata/tcp_idle_timeout.tdir/tcp_idle_timeout.testns
@@ -13,7 +13,7 @@ ENTRY_END
 ENTRY_BEGIN
 MATCH TCP opcode qtype qname
 REPLY QR AA NOERROR
-ADJUST copy_id sleep=2
+ADJUST copy_id
 SECTION QUESTION
 www	IN	A
 SECTION ANSWER