diff --git a/src/libs/utils/environmentdialog.cpp b/src/libs/utils/environmentdialog.cpp
index c0a50b75423..bd84c6ed850 100644
--- a/src/libs/utils/environmentdialog.cpp
+++ b/src/libs/utils/environmentdialog.cpp
@@ -77,6 +77,7 @@ EnvironmentItemsWidget::EnvironmentItemsWidget(QWidget *parent) :
 {
     m_editor = new QPlainTextEdit(this);
     auto layout = new QVBoxLayout(this);
+    layout->setMargin(0);
     layout->addWidget(m_editor);
 }