diff --git a/src/solid/devices/frontend/battery.h b/src/solid/devices/frontend/battery.h
--- a/src/solid/devices/frontend/battery.h
+++ b/src/solid/devices/frontend/battery.h
@@ -53,7 +53,7 @@
     Q_PROPERTY(double energyRate READ energyRate NOTIFY energyRateChanged)
     Q_PROPERTY(double voltage READ voltage NOTIFY voltageChanged)
     Q_PROPERTY(double temperature READ temperature NOTIFY temperatureChanged)
-    Q_PROPERTY(Technology technology READ technology)
+    Q_PROPERTY(Technology technology READ technology CONSTANT)
     Q_PROPERTY(bool recalled READ isRecalled)
     Q_PROPERTY(QString recallVendor READ recallVendor)
     Q_PROPERTY(QString recallUrl READ recallUrl)