diff --git a/testing/tests/regression-suite/970-PROPPATCH-bound.result b/testing/tests/regression-suite/970-PROPPATCH-bound.result
new file mode 100644
index 00000000..832ebfa8
--- /dev/null
+++ b/testing/tests/regression-suite/970-PROPPATCH-bound.result
@@ -0,0 +1,16 @@
+HTTP/1.1 200 OK
+Date: Dow, 01 Jan 2000 00:00:00 GMT
+DAV: 1, 2, access-control, calendar-access, calendar-schedule, extended-mkcol, calendar-proxy
+Content-Length: 225
+Content-Type: text/xml; charset="utf-8"
+
+<?xml version="1.0" encoding="utf-8" ?>
+<multistatus xmlns="DAV:">
+ <response>
+  <href>/caldav.php/user4/user2/</href>
+  <responsedescription>All requested changes were made.</responsedescription>
+ </response>
+</multistatus>
+
+  dav_displayname: >Updated Displayname with PROPPATCH<
+
diff --git a/testing/tests/regression-suite/970-PROPPATCH-bound.test b/testing/tests/regression-suite/970-PROPPATCH-bound.test
new file mode 100644
index 00000000..bb56bff9
--- /dev/null
+++ b/testing/tests/regression-suite/970-PROPPATCH-bound.test
@@ -0,0 +1,26 @@
+#
+# Test PROPPATCH to change the displayname on a bind
+#
+TYPE=PROPPATCH
+URL=http://regression.host/caldav.php/user4/user2/
+AUTH=user4:user4
+
+HEADER=User-Agent: DAViCalTester/public
+HEADER=Content-Type: text/xml; charset="UTF-8"
+HEAD
+
+
+BEGINDATA
+<?xml version="1.0" encoding="UTF-8" ?>
+<propertyupdate xmlns="DAV:">
+ <set>
+  <prop>
+   <displayname>Updated Displayname with PROPPATCH</displayname>
+  </prop>
+ </set>
+</propertyupdate>
+ENDDATA
+
+QUERY
+SELECT dav_displayname FROM dav_binding WHERE dav_name = '/user4/user2/'
+ENDQUERY
diff --git a/testing/tests/regression-suite/971-PROPPATCH-bound-fail.result b/testing/tests/regression-suite/971-PROPPATCH-bound-fail.result
new file mode 100644
index 00000000..8ffd0c70
--- /dev/null
+++ b/testing/tests/regression-suite/971-PROPPATCH-bound-fail.result
@@ -0,0 +1,33 @@
+HTTP/1.1 207 Multi-Status
+Date: Dow, 01 Jan 2000 00:00:00 GMT
+DAV: 1, 2, access-control, calendar-access, calendar-schedule, extended-mkcol, calendar-proxy
+Content-Length: 623
+Content-Type: text/xml; charset="utf-8"
+
+<?xml version="1.0" encoding="utf-8" ?>
+<multistatus xmlns="DAV:">
+ <response>
+  <href>/caldav.php/user4/user2/</href>
+  <propstat>
+   <prop>
+    <urn:ietf:params:xml:ns:caldav:calendar-timezone/>
+   </prop>
+   <status>HTTP/1.1 403 Forbidden</status>
+   <responsedescription>
+    <error>
+     <cannot-modify-protected-property/>
+    </error>
+   </responsedescription>
+  </propstat>
+  <propstat>
+   <prop>
+    <DAV::displayname/>
+   </prop>
+   <status>HTTP/1.1 424 Failed Dependency</status>
+  </propstat>
+  <responsedescription>Some properties were not able to be changed.</responsedescription>
+ </response>
+</multistatus>
+
+  dav_displayname: >Updated Displayname with PROPPATCH<
+
diff --git a/testing/tests/regression-suite/971-PROPPATCH-bound-fail.test b/testing/tests/regression-suite/971-PROPPATCH-bound-fail.test
new file mode 100644
index 00000000..ddc20d6a
--- /dev/null
+++ b/testing/tests/regression-suite/971-PROPPATCH-bound-fail.test
@@ -0,0 +1,27 @@
+#
+# Test PROPPATCH to change the displayname on a bind
+#
+TYPE=PROPPATCH
+URL=http://regression.host/caldav.php/user4/user2/
+AUTH=user4:user4
+
+HEADER=User-Agent: DAViCalTester/public
+HEADER=Content-Type: text/xml; charset="UTF-8"
+HEAD
+
+
+BEGINDATA
+<?xml version="1.0" encoding="UTF-8" ?>
+<propertyupdate xmlns="DAV:" xmlns:C="urn:ietf:params:xml:ns:caldav">
+ <set>
+  <prop>
+   <displayname>Again set displayname with PROPPATCH</displayname>
+   <C:calendar-timezone>Updated Displayname with PROPPATCH</C:calendar-timezone>
+  </prop>
+ </set>
+</propertyupdate>
+ENDDATA
+
+QUERY
+SELECT dav_displayname FROM dav_binding WHERE dav_name = '/user4/user2/'
+ENDQUERY