diff --git a/kcmkwin/common/effectsmodel.cpp b/kcmkwin/common/effectsmodel.cpp
--- a/kcmkwin/common/effectsmodel.cpp
+++ b/kcmkwin/common/effectsmodel.cpp
@@ -666,9 +666,7 @@
     layout->addWidget(module);
     layout->addWidget(buttons);
 
-    connect(dialog, &QDialog::accepted, module, [module]() {
-        module->save();
-    });
+    connect(dialog, &QDialog::accepted, module, &KCModule::save);
 
     dialog->setModal(true);
     dialog->setAttribute(Qt::WA_DeleteOnClose);