diff --git a/src/LayerComposition.cpp b/src/LayerComposition.cpp
index f98e923..2c66a5d 100644
--- a/src/LayerComposition.cpp
+++ b/src/LayerComposition.cpp
@@ -165,6 +165,7 @@ void LayerComposition::removeLayer(const LayerID & id){
         it.second->abandonChild(layer);
     }
     layers.erase(id);
+    Layer::n_layers--;
 }
 
 const unordered_map <LayerID, shared_ptr <Layer> > & LayerComposition::getLayers(){