diff --git a/src/libs/utils/layoutbuilder.cpp b/src/libs/utils/layoutbuilder.cpp
index 8e2abc5cbe1..41ae328b36b 100644
--- a/src/libs/utils/layoutbuilder.cpp
+++ b/src/libs/utils/layoutbuilder.cpp
@@ -880,9 +880,9 @@ void SpinBox::setValue(int val)
     access(this)->setValue(val);
 }
 
-void SpinBox::onTextChanged(const std::function<void (QString)> &func)
+void SpinBox::onTextChanged(const std::function<void(QString)> &func, QObject *guard)
 {
-    QObject::connect(access(this), &QSpinBox::textChanged, func);
+    QObject::connect(access(this), &QSpinBox::textChanged, guard, func);
 }
 
 // TextEdit
diff --git a/src/libs/utils/layoutbuilder.h b/src/libs/utils/layoutbuilder.h
index f6e203578b8..50f20681453 100644
--- a/src/libs/utils/layoutbuilder.h
+++ b/src/libs/utils/layoutbuilder.h
@@ -299,7 +299,7 @@ public:
     SpinBox(std::initializer_list<I> ps);
 
     void setValue(int);
-    void onTextChanged(const std::function<void(QString)> &);
+    void onTextChanged(const std::function<void(QString)> &, QObject *guard);
 };
 
 class QTCREATOR_UTILS_EXPORT PushButton : public Widget