diff --git a/src/amr/tagging/default_hybrid_tagger_strategy.hpp b/src/amr/tagging/default_hybrid_tagger_strategy.hpp
index 2fb3ea9df..9fb01a82d 100644
--- a/src/amr/tagging/default_hybrid_tagger_strategy.hpp
+++ b/src/amr/tagging/default_hybrid_tagger_strategy.hpp
@@ -36,7 +36,7 @@ void DefaultHybridTaggerStrategy<HybridModel>::tag(HybridModel& model,
     auto& By = model.state.electromag.B.getComponent(PHARE::core::Component::Y);
     auto& Bz = model.state.electromag.B.getComponent(PHARE::core::Component::Z);
 
-    auto& N = model.state.ions.density();
+    auto& N = model.state.ions.chargeDensity();
 
     // we loop on cell indexes for all qties regardless of their centering
     auto const& [start_x, _]