diff --git a/src/plugins/projectexplorer/projectconfigurationaspects.cpp b/src/plugins/projectexplorer/projectconfigurationaspects.cpp
index dace60b8c8a..77924c440fc 100644
--- a/src/plugins/projectexplorer/projectconfigurationaspects.cpp
+++ b/src/plugins/projectexplorer/projectconfigurationaspects.cpp
@@ -135,6 +135,7 @@ public:
     QString m_labelText;
     QString m_prefix;
     QString m_suffix;
+    QString m_tooltip;
     QPointer<QLabel> m_label;
     QPointer<QSpinBox> m_spinBox; // Owned by configuration widget
     bool m_enabled = true;
@@ -677,6 +678,7 @@ void BaseIntegerAspect::addToLayout(LayoutBuilder &builder)
     d->m_spinBox->setPrefix(d->m_prefix);
     d->m_spinBox->setSuffix(d->m_suffix);
     d->m_spinBox->setEnabled(d->m_enabled);
+    d->m_spinBox->setToolTip(d->m_tooltip);
     if (d->m_maximumValue.isValid() && d->m_maximumValue.isValid())
         d->m_spinBox->setRange(int(d->m_minimumValue.toLongLong() / d->m_displayScaleFactor),
                                int(d->m_maximumValue.toLongLong() / d->m_displayScaleFactor));
@@ -761,6 +763,15 @@ void BaseIntegerAspect::setDefaultValue(qint64 defaultValue)
     d->m_defaultValue = defaultValue;
 }
 
+void BaseIntegerAspect::setToolTip(const QString &tooltip)
+{
+    d->m_tooltip = tooltip;
+}
+
+/*!
+    \class ProjectExplorer::BaseTristateAspect
+*/
+
 BaseTriStateAspect::BaseTriStateAspect()
 {
     setDisplayStyle(DisplayStyle::ComboBox);
diff --git a/src/plugins/projectexplorer/projectconfigurationaspects.h b/src/plugins/projectexplorer/projectconfigurationaspects.h
index d0246ade64c..4ef74f37806 100644
--- a/src/plugins/projectexplorer/projectconfigurationaspects.h
+++ b/src/plugins/projectexplorer/projectconfigurationaspects.h
@@ -192,6 +192,7 @@ public:
     void setDisplayScaleFactor(qint64 factor);
     void setEnabled(bool enabled);
     void setDefaultValue(qint64 defaultValue);
+    void setToolTip(const QString &tooltip);
 
     void fromMap(const QVariantMap &map) override;
     void toMap(QVariantMap &map) const override;