1 files changed, 4 insertions, 0 deletions
diff --git a/searchlib/src/vespa/searchlib/query/tree/customtypetermvisitor.h b/searchlib/src/vespa/searchlib/query/tree/customtypetermvisitor.h
index de4ae416504..bf92f0ae04c 100644
--- a/searchlib/src/vespa/searchlib/query/tree/customtypetermvisitor.h
+++ b/searchlib/src/vespa/searchlib/query/tree/customtypetermvisitor.h
@@ -28,6 +28,10 @@ private:
     void visit(typename NodeTypes::WeakAnd &n) override { visitChildren(n); }
     void visit(typename NodeTypes::SameElement &n) override { visitChildren(n); }
 
+    // leaf nodes without terms:
+    void visit(typename NodeTypes::TrueQueryNode &) override {}
+    void visit(typename NodeTypes::FalseQueryNode &) override {}
+
     // phrases and weighted set terms are conceptual leaf nodes and
     // should be handled that way.
 };