diff --git a/bcvalue.h b/bcvalue.h
index fbc3fd7..1f97c8c 100644
--- a/bcvalue.h
+++ b/bcvalue.h
@@ -123,7 +123,9 @@ public:
   void setRawValue(uint32_t newRawValue) const { rawValue = newRawValue; }
 
   void setFromDouble( double value )
-  {}
+  {
+    Q_UNUSED(value)
+  }
 
   QString getUnitLabel() const { return unitLabel; }
   void setUnitLabel(const QString &newUnitLabel) { unitLabel = newUnitLabel; }