diff --git a/tests/data/test1903 b/tests/data/test1903
index 24ad174663..6c879de961 100644
--- a/tests/data/test1903
+++ b/tests/data/test1903
@@ -33,7 +33,7 @@ CURLOPT_COOKIEFILE then reset then set again
 lib%TESTNUMBER
 </tool>
 <command>
-http://%HOSTIP:%HTTPPORT/we/want/%TESTNUMBER %LOGDIR/cookies%TESTNUMBER
+http://%HOSTIP:%HTTPPORT/we/want/%TESTNUMBER %LOGDIR/cookies%TESTNUMBER %LOGDIR/cookiesout%TESTNUMBER
 </command>
 <features>
 cookies
@@ -50,5 +50,13 @@ cookies
 
 # Verify data after the test has been "shot"
 <verify>
+<file name="%LOGDIR/cookiesout%TESTNUMBER" mode="text">
+# Netscape HTTP Cookie File
+# https://curl.se/docs/http-cookies.html
+# This file was generated by libcurl! Edit at your own risk.
+
+%HOSTIP	FALSE	/we/want/	FALSE	0	foobar	name
+%HOSTIP	FALSE	/we/want/	FALSE	0	secondcookie	present
+</file>
 </verify>
 </testcase>
diff --git a/tests/libtest/lib1903.c b/tests/libtest/lib1903.c
index a8a767e5c0..3c4ae30734 100644
--- a/tests/libtest/lib1903.c
+++ b/tests/libtest/lib1903.c
@@ -46,6 +46,7 @@ int test(char *URL)
 
   easy_setopt(ch, CURLOPT_URL, URL);
   easy_setopt(ch, CURLOPT_COOKIEFILE, libtest_arg2);
+  easy_setopt(ch, CURLOPT_COOKIEJAR, libtest_arg3);
   res = curl_easy_perform(ch);
 
 test_cleanup: