diff --git a/src/libs/utils/namevaluesdialog.cpp b/src/libs/utils/namevaluesdialog.cpp
index 2b78dc76610..54c7a4577ea 100644
--- a/src/libs/utils/namevaluesdialog.cpp
+++ b/src/libs/utils/namevaluesdialog.cpp
@@ -31,6 +31,7 @@
 #include <QDialogButtonBox>
 #include <QLabel>
 #include <QPlainTextEdit>
+#include <QSet>
 #include <QVBoxLayout>
 
 namespace Utils {