diff --git a/src/PwmSensor.cpp b/src/PwmSensor.cpp
index c33f05c..063c359 100644
--- a/src/PwmSensor.cpp
+++ b/src/PwmSensor.cpp
@@ -115,8 +115,7 @@
     controlInterface->initialize();
 
     association = objectServer.add_interface(
-        "/xyz/openbmc_project/sensors/fan_pwm/" + name,
-        "org.openbmc.Associations");
+        "/xyz/openbmc_project/sensors/fan_pwm/" + name, association::interface);
     createAssociation(association, sensorConfiguration);
 }
 PwmSensor::~PwmSensor()