diff --git a/testing/tests/regression-suite/300-Chandler-OPTIONS-1.test b/testing/tests/regression-suite/300-Chandler-OPTIONS-1.test
index b6458276..2e89fa63 100644
--- a/testing/tests/regression-suite/300-Chandler-OPTIONS-1.test
+++ b/testing/tests/regression-suite/300-Chandler-OPTIONS-1.test
@@ -4,4 +4,5 @@ TYPE=OPTIONS
 URL=http://mycaldav/caldav.php/user1/home/
 NOAUTH
 
+HEADER=User-Agent: Chandler/0.7alpha4 (Linux)
 HEAD
diff --git a/testing/tests/regression-suite/301-Chandler-HEAD-1.test b/testing/tests/regression-suite/301-Chandler-HEAD-1.test
index c8279a49..4f3f575d 100644
--- a/testing/tests/regression-suite/301-Chandler-HEAD-1.test
+++ b/testing/tests/regression-suite/301-Chandler-HEAD-1.test
@@ -4,4 +4,6 @@ TYPE=HEAD
 URL=http://mycaldav/caldav.php/user1/home/
 NOAUTH
 
+HEADER=User-Agent: Chandler/0.7alpha4 (Linux)
+
 HEAD
diff --git a/testing/tests/regression-suite/302-Chandler-OPTIONS-2.test b/testing/tests/regression-suite/302-Chandler-OPTIONS-2.test
index 0840e93f..f11dd592 100644
--- a/testing/tests/regression-suite/302-Chandler-OPTIONS-2.test
+++ b/testing/tests/regression-suite/302-Chandler-OPTIONS-2.test
@@ -3,4 +3,5 @@
 TYPE=OPTIONS
 URL=http://mycaldav/caldav.php/user1/home/
 
+HEADER=Chandler/0.7alpha4 (Linux)
 HEAD
diff --git a/testing/tests/regression-suite/303-Chandler-PROPFIND-1.test b/testing/tests/regression-suite/303-Chandler-PROPFIND-1.test
index dc51781d..6e2fa99b 100644
--- a/testing/tests/regression-suite/303-Chandler-PROPFIND-1.test
+++ b/testing/tests/regression-suite/303-Chandler-PROPFIND-1.test
@@ -6,4 +6,5 @@ TYPE=PROPFIND
 URL=http://mycaldav/caldav.php/user1/home/
 HEADER=Depth: 0
 HEADER=Content-Type: text/xml; charset=utf-8
+HEADER=Chandler/0.7alpha4 (Linux)
 HEAD