diff --git a/src/plugins/projectexplorer/environmentwidget.cpp b/src/plugins/projectexplorer/environmentwidget.cpp
index c62a9488594..6ef817d2797 100644
--- a/src/plugins/projectexplorer/environmentwidget.cpp
+++ b/src/plugins/projectexplorer/environmentwidget.cpp
@@ -237,6 +237,7 @@ EnvironmentWidget::EnvironmentWidget(QWidget *parent, Type type, QWidget *additi
     buttonLayout->addWidget(d->m_toggleButton);
     connect(d->m_toggleButton, &QPushButton::clicked, this, [this] {
         d->m_model->toggleVariable(d->m_environmentView->currentIndex());
+        d->m_editor.setEnvironmentItems(d->m_model->userChanges());
         updateButtons();
     });