diff --git a/scenarios/incoming_hih/sipp_scenario_responder01_test.yml.tt2 b/scenarios/incoming_hih/sipp_scenario_responder01_test.yml.tt2
index 224c3f8a..5c95ac71 100644
--- a/scenarios/incoming_hih/sipp_scenario_responder01_test.yml.tt2
+++ b/scenarios/incoming_hih/sipp_scenario_responder01_test.yml.tt2
@@ -8,7 +8,7 @@ messages:
   - 'CSeq: \d+ INVITE'
   - 'History-Info: <sip:anonymous@anonymous.invalid;user=phone\?privacy=history>;index=1'
   - 'History-Info: <sip:anonymous@anonymous.invalid;user=phone;cause=302\?Privacy=history>;index=1.1'
-  - 'History-Info: <sip:\+[% incoming_hih_scenarios_test.testuser1002.phone_number %]@incoming-hih.scenarios.test:5060;user=phone;cause=302>;index=1.1.1'
+  - 'History-Info: <sip:\+[% incoming_hih_scenarios_test.testuser1002.phone_number %]@incoming-hih.scenarios.test:5060;user=phone;Reason=SIP%3bcause%3d302>;index=1.1.1'
   - 'P-Asserted-Identity: <sip:[% scenarios.0.username %]@incoming-hih.scenarios.test>'
   - 'Content-Type: application/sdp'
   - 'Content-Length: \d+'
diff --git a/scenarios/invite_redirect/sipp_scenario_responder01_test.yml.tt2 b/scenarios/invite_redirect/sipp_scenario_responder01_test.yml.tt2
index e83bf7d9..4d4d2e2e 100644
--- a/scenarios/invite_redirect/sipp_scenario_responder01_test.yml.tt2
+++ b/scenarios/invite_redirect/sipp_scenario_responder01_test.yml.tt2
@@ -7,7 +7,7 @@ messages:
   - 'To: <sip:[% scenarios.0.responders.1.username %]@invite-redirect.scenarios.test>'
   - 'CSeq: \d+ INVITE'
   - 'History-Info: <sip:[% scenarios.0.responders.0.username %]@invite-redirect.scenarios.test:5060;user=phone\?Reason=SIP%3bcause%3d302>;index=1'
-  - 'History-Info: <sip:[% scenarios.0.responders.1.username %]@invite-redirect.scenarios.test:5060;user=phone;cause=302>;index=1.1'
+  - 'History-Info: <sip:[% scenarios.0.responders.1.username %]@invite-redirect.scenarios.test:5060;user=phone;Reason=SIP%3bcause%3d302>;index=1.1'
   - 'P-Asserted-Identity: <sip:[% invite_redirect_scenarios_test.testuser1002.phone_number %]@invite-redirect.scenarios.test>'
   - 'Diversion: <sip:[% invite_redirect_scenarios_test.testuser1003.phone_number %]@invite-redirect.scenarios.test>;reason=unconditional;privacy=off;counter=1'
   - 'Content-Type: application/sdp'
diff --git a/scenarios/invite_redirect_tel_uri/sipp_scenario_responder01_test.yml.tt2 b/scenarios/invite_redirect_tel_uri/sipp_scenario_responder01_test.yml.tt2
index 85816f27..f847ef08 100644
--- a/scenarios/invite_redirect_tel_uri/sipp_scenario_responder01_test.yml.tt2
+++ b/scenarios/invite_redirect_tel_uri/sipp_scenario_responder01_test.yml.tt2
@@ -7,7 +7,7 @@ messages:
   - 'To: <sip:[% scenarios.0.responders.1.username %]@invite-redirect-tel-uri.scenarios.test>'
   - 'CSeq: \d+ INVITE'
   - 'History-Info: <sip:[% scenarios.0.responders.0.username %]@invite-redirect-tel-uri.scenarios.test:5060;user=phone\?Reason=SIP%3bcause%3d302>;index=1'
-  - 'History-Info: <sip:[% scenarios.0.responders.1.username %]@invite-redirect-tel-uri.scenarios.test:5060;user=phone;cause=302>;index=1.1'
+  - 'History-Info: <sip:[% scenarios.0.responders.1.username %]@invite-redirect-tel-uri.scenarios.test:5060;user=phone;Reason=SIP%3bcause%3d302>;index=1.1'
   - 'P-Asserted-Identity: <sip:[% invite_redirect_tel_uri_scenarios_test.testuser1000.phone_number %]@invite-redirect-tel-uri.scenarios.test>'
   - 'Diversion: <sip:[% invite_redirect_tel_uri_scenarios_test.testuser1001.phone_number %]@invite-redirect-tel-uri.scenarios.test>;reason=unconditional;privacy=off;counter=1'
   - 'Content-Type: application/sdp'