diff --git a/Makefile.am b/Makefile.am
index c85ce172..42b21365 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -665,7 +665,8 @@ test_scripts = test/backtrace \
 		test/hangup-multiparty \
 		test/hangup-call \
 		test/display-icon \
-		test/set-msisdn
+		test/set-msisdn \
+		test/set-ddr
 
 if TEST
 testdir = $(pkglibdir)/test
diff --git a/test/set-ddr b/test/set-ddr
new file mode 100755
index 00000000..5d061b95
--- /dev/null
+++ b/test/set-ddr
@@ -0,0 +1,21 @@
+#!/usr/bin/python
+
+import sys
+import dbus
+
+bus = dbus.SystemBus()
+
+manager = dbus.Interface(bus.get_object('org.ofono', '/'),
+						'org.ofono.Manager')
+
+modems = manager.GetModems()
+
+for path, properties in modems:
+	if "org.ofono.Handsfree" not in properties["Interfaces"]:
+		continue
+
+	handsfree = dbus.Interface(bus.get_object('org.ofono', path),
+					'org.ofono.Handsfree')
+
+	handsfree.SetProperty("DistractedDrivingReduction",\
+				dbus.Boolean(int(sys.argv[1])))