diff --git a/shell/scripting/scriptengine.cpp b/shell/scripting/scriptengine.cpp
--- a/shell/scripting/scriptengine.cpp
+++ b/shell/scripting/scriptengine.cpp
@@ -170,7 +170,7 @@
     m_scriptSelf.setProperty(QStringLiteral("applicationPath"), newFunction(ScriptEngine::V1::applicationPath));
     m_scriptSelf.setProperty(QStringLiteral("knownWallpaperPlugins"), newFunction(ScriptEngine::V1::knownWallpaperPlugins));
     m_scriptSelf.setProperty(QStringLiteral("ConfigFile"), newFunction(ScriptEngine::V1::configFile));
-    m_scriptSelf.setProperty(QStringLiteral("gridUnit"), ScriptEngine::V1::gridUnit());
+    m_scriptSelf.setProperty(QStringLiteral("gridUnit"), newFunction(ScriptEngine::V1::gridUnit), QScriptValue::PropertyGetter);
     m_scriptSelf.setProperty(QStringLiteral("setImmutability"), newFunction(ScriptEngine::V1::setImmutability));
     m_scriptSelf.setProperty(QStringLiteral("immutability"), newFunction(ScriptEngine::V1::immutability));
 
diff --git a/shell/scripting/scriptengine_v1.h b/shell/scripting/scriptengine_v1.h
--- a/shell/scripting/scriptengine_v1.h
+++ b/shell/scripting/scriptengine_v1.h
@@ -57,7 +57,7 @@
     static QScriptValue userDataPath(QScriptContext *context, QScriptEngine *engine);
     static QScriptValue knownWallpaperPlugins(QScriptContext *context, QScriptEngine *engine);
     static QScriptValue configFile(QScriptContext *context, QScriptEngine *engine);
-    static QScriptValue gridUnit();
+    static QScriptValue gridUnit(QScriptContext *context, QScriptEngine *engine);
     static QScriptValue createContainment(const QString &type, const QString &defautPlugin,
                                           QScriptContext *context, QScriptEngine *engine);
     static QScriptValue setImmutability(QScriptContext *context, QScriptEngine *engine);
diff --git a/shell/scripting/scriptengine_v1.cpp b/shell/scripting/scriptengine_v1.cpp
--- a/shell/scripting/scriptengine_v1.cpp
+++ b/shell/scripting/scriptengine_v1.cpp
@@ -917,8 +917,10 @@
     return containments;
 }
 
-QScriptValue ScriptEngine::V1::gridUnit()
+QScriptValue ScriptEngine::V1::gridUnit(QScriptContext *context, QScriptEngine *engine)
 {
+    Q_UNUSED(context);
+    Q_UNUSED(engine);
     return ScriptEngine::gridUnit();
 }