diff --git a/doc/Changelog b/doc/Changelog
index 88d95b198..d9d77dcf4 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,5 +1,7 @@
 12 April 2024: Wouter
 	- Fix cachedb for serve-expired with serve-expired-client-timeout.
+	- Fixup unit test for cachedb server expired client timeout with
+	  a check if response if from upstream or from cachedb.
 
 10 April 2024: Wouter
 	- Implement cachedb-check-when-serve-expired: yes option, default
diff --git a/testdata/cachedb_expired_client_timeout.crpl b/testdata/cachedb_expired_client_timeout.crpl
index fbfa0e654..23f6dbd79 100644
--- a/testdata/cachedb_expired_client_timeout.crpl
+++ b/testdata/cachedb_expired_client_timeout.crpl
@@ -215,6 +215,10 @@ STEP 40 FLUSH_MESSAGE www2.example.com. IN A
 ; because of the client timeout, it should be able to use the
 ; response from cachedb for www2.
 
+; make 2 seconds pass to decrement the TTL on the response,
+; the upstream TTL would be 10, cachedb 8.
+STEP 48 TIME_PASSES ELAPSE 2
+
 STEP 50 QUERY
 ENTRY_BEGIN
 REPLY RD
@@ -229,7 +233,7 @@ REPLY QR RD RA NOERROR
 SECTION QUESTION
 www2.example.com. IN A
 SECTION ANSWER
-www2.example.com. 10 IN A 1.2.3.5
+www2.example.com. 8 IN A 1.2.3.5
 ENTRY_END
 
 ; make both cache and cachedb expired