diff --git a/src/plugins/qmldesigner/components/formeditor/zoomaction.cpp b/src/plugins/qmldesigner/components/formeditor/zoomaction.cpp
index 5ddfe12d4f5..b0aae5d911a 100644
--- a/src/plugins/qmldesigner/components/formeditor/zoomaction.cpp
+++ b/src/plugins/qmldesigner/components/formeditor/zoomaction.cpp
@@ -109,6 +109,7 @@ QWidget *ZoomAction::createWidget(QWidget *parent)
     connect(this, &ZoomAction::indexChanged, comboBox, &QComboBox::setCurrentIndex);
 
     comboBox->setProperty("hideborder", true);
+    comboBox->setMaximumWidth(qMax(comboBox->view()->sizeHintForColumn(0) / 2, 16));
     return comboBox;
 }