diff --git a/libguh/plugin/deviceplugin.cpp b/libguh/plugin/deviceplugin.cpp
index 85242645..a2dac58f 100644
--- a/libguh/plugin/deviceplugin.cpp
+++ b/libguh/plugin/deviceplugin.cpp
@@ -1098,7 +1098,7 @@ QPair<bool, DeviceClass::DeviceIcon> DevicePlugin::loadAndVerifyDeviceIcon(const
     return QPair<bool, DeviceClass::DeviceIcon>(true, (DeviceClass::DeviceIcon)enumValue);
 }
 
-QVariantMap DevicePlugin::loadInterface(const QString &name) const
+QVariantMap DevicePlugin::loadInterface(const QString &name)
 {
     QFile f(QString(":/interfaces/%1.json").arg(name));
     if (!f.open(QFile::ReadOnly)) {
diff --git a/libguh/plugin/deviceplugin.h b/libguh/plugin/deviceplugin.h
index 5afbb865..38d3fa7c 100644
--- a/libguh/plugin/deviceplugin.h
+++ b/libguh/plugin/deviceplugin.h
@@ -146,7 +146,7 @@ private:
     QPair<bool, DeviceClass::BasicTag> loadAndVerifyBasicTag(const QString &basicTag) const;
     QPair<bool, DeviceClass::DeviceIcon> loadAndVerifyDeviceIcon(const QString &deviceIcon) const;
 
-    QVariantMap loadInterface(const QString &name) const;
+    static QVariantMap loadInterface(const QString &name);
 
     QTranslator *m_translator;
     DeviceManager *m_deviceManager;