diff --git a/test/sensor_host_unittest.cpp b/test/sensor_host_unittest.cpp
index 61d1ed6..d04f265 100644
--- a/test/sensor_host_unittest.cpp
+++ b/test/sensor_host_unittest.cpp
@@ -6,6 +6,7 @@
 #include <systemd/sd-bus.h>
 
 #include <sdbusplus/test/sdbus_mock.hpp>
+#include <xyz/openbmc_project/Sensor/Value/common.hpp>
 
 #include <chrono>
 #include <cstdint>
@@ -21,6 +22,8 @@
 namespace
 {
 
+using SensorValue = sdbusplus::common::xyz::openbmc_project::sensor::Value;
+
 using ::testing::IsNull;
 using ::testing::Return;
 using ::testing::StrEq;
@@ -42,14 +45,14 @@
     int64_t timeout = 1;
     const char* objPath = "/asdf/asdf0";
     bool defer = false;
-    std::string interface = "xyz.openbmc_project.Sensor.Value";
 
     std::vector<std::string> properties = {};
     double d;
 
     // The createTemp updates all the properties, however, only Scale is set
     // to non-default.
-    SetupDbusObject(&sdbus_mock, defer, objPath, interface, properties, &d);
+    SetupDbusObject(&sdbus_mock, defer, objPath, SensorValue::interface,
+                    properties, &d);
 
     // This is called during object destruction.
     EXPECT_CALL(sdbus_mock,
@@ -71,12 +74,12 @@
     int64_t timeout = 1;
     const char* objPath = "/asdf/asdf0";
     bool defer = false;
-    std::string interface = "xyz.openbmc_project.Sensor.Value";
 
     std::vector<std::string> properties = {};
     double d;
 
-    SetupDbusObject(&sdbus_mock, defer, objPath, interface, properties, &d);
+    SetupDbusObject(&sdbus_mock, defer, objPath, SensorValue::interface,
+                    properties, &d);
 
     EXPECT_CALL(sdbus_mock,
                 sd_bus_emit_object_removed(IsNull(), StrEq(objPath)))
@@ -92,9 +95,9 @@
     ReadReturn r = hs->read();
     EXPECT_EQ(r.value, 0);
 
-    EXPECT_CALL(sdbus_mock,
-                sd_bus_emit_properties_changed_strv(
-                    IsNull(), StrEq(objPath), StrEq(interface), NotNull()))
+    EXPECT_CALL(sdbus_mock, sd_bus_emit_properties_changed_strv(
+                                IsNull(), StrEq(objPath),
+                                StrEq(SensorValue::interface), NotNull()))
         .WillOnce(Invoke(
             [=]([[maybe_unused]] sd_bus* bus, [[maybe_unused]] const char* path,
                 [[maybe_unused]] const char* interface, const char** names) {