diff --git a/src/widgets/dialogs/qinputdialog.cpp b/src/widgets/dialogs/qinputdialog.cpp
index 4eec2eb3e2e..10d693b4a38 100644
--- a/src/widgets/dialogs/qinputdialog.cpp
+++ b/src/widgets/dialogs/qinputdialog.cpp
@@ -771,10 +771,11 @@ void QInputDialog::setComboBoxItems(const QStringList &items)
     Q_D(QInputDialog);
 
     d->ensureComboBox();
-    d->comboBox->blockSignals(true);
-    d->comboBox->clear();
-    d->comboBox->addItems(items);
-    d->comboBox->blockSignals(false);
+    {
+        const QSignalBlocker blocker(d->comboBox);
+        d->comboBox->clear();
+        d->comboBox->addItems(items);
+    }
 
     if (inputMode() == TextInput)
         d->chooseRightTextInputWidget();