1 files changed, 1 insertions, 0 deletions
diff --git a/src/lib/corelib/buildgraph/rulegraph.h b/src/lib/corelib/buildgraph/rulegraph.h
index fe2fc4c3b..4ce5ecea8 100644
--- a/src/lib/corelib/buildgraph/rulegraph.h
+++ b/src/lib/corelib/buildgraph/rulegraph.h
@@ -56,6 +56,7 @@ namespace Internal {
 class RuleGraphVisitor
 {
 public:
+    virtual ~RuleGraphVisitor() = default;
     virtual void visit(const RuleConstPtr &parentRule, const RuleConstPtr &rule) = 0;
     virtual void endVisit(const RuleConstPtr &rule) { Q_UNUSED(rule); }
 };