1 files changed, 1 insertions, 0 deletions
diff --git a/sources/shiboken6/generator/shiboken/cppgenerator.cpp b/sources/shiboken6/generator/shiboken/cppgenerator.cpp
index 63526af0c..fd07684a5 100644
--- a/sources/shiboken6/generator/shiboken/cppgenerator.cpp
+++ b/sources/shiboken6/generator/shiboken/cppgenerator.cpp
@@ -6670,6 +6670,7 @@ bool CppGenerator::finishGeneration()
     }
 
     for (auto &instantiatedContainer : api().instantiatedContainers()) {
+        includes.insert(instantiatedContainer.typeEntry()->include());
         for (const auto &inst : instantiatedContainer.instantiations())
             includes.insert(inst.typeEntry()->include());
     }