diff --git a/src/plugins/projectexplorer/projectnodes.cpp b/src/plugins/projectexplorer/projectnodes.cpp
index 1a1416ef672..dee068e99b4 100644
--- a/src/plugins/projectexplorer/projectnodes.cpp
+++ b/src/plugins/projectexplorer/projectnodes.cpp
@@ -209,7 +209,7 @@ QString Node::tooltip() const
 
 bool Node::isEnabled() const
 {
-    if (!m_isEnabled)
+    if (!m_flags.testFlag(FlagIsEnabled))
         return false;
     FolderNode *parent = parentFolderNode();
     return parent ? parent->isEnabled() : true;
@@ -222,9 +222,7 @@ bool Node::supportsAction(ProjectAction, Node *) const
 
 void Node::setEnabled(bool enabled)
 {
-    if (m_isEnabled == enabled)
-        return;
-    m_isEnabled = enabled;
+    m_flags.setFlag(FlagIsEnabled, enabled);
 }
 
 bool Node::sortByPath(const Node *a, const Node *b)
diff --git a/src/plugins/projectexplorer/projectnodes.h b/src/plugins/projectexplorer/projectnodes.h
index 5974e33ae80..438b1f74ea6 100644
--- a/src/plugins/projectexplorer/projectnodes.h
+++ b/src/plugins/projectexplorer/projectnodes.h
@@ -161,7 +161,12 @@ private:
     int m_line = -1;
     int m_priority = DefaultPriority;
     const NodeType m_nodeType;
-    bool m_isEnabled = true;
+    enum NodeFlag : quint16 {
+        FlagNone = 0,
+        FlagIsEnabled = 1 << 0,
+    };
+    using NodeFlags = QFlags<NodeFlag>;
+    NodeFlags m_flags = FlagIsEnabled;
 };
 
 class PROJECTEXPLORER_EXPORT FileNode : public Node