diff --git a/pid/fancontroller.cpp b/pid/fancontroller.cpp
index 1f23e0b..dd26d16 100644
--- a/pid/fancontroller.cpp
+++ b/pid/fancontroller.cpp
@@ -88,7 +88,7 @@
 
 double FanController::setptProc(void)
 {
-    double maxRPM = _owner->getMaxRPMRequest();
+    double maxRPM = _owner->getMaxSetPointRequest();
 
     // store for reference, and check if more or less.
     double prev = getSetpoint();