diff --git a/src/main.cpp b/src/main.cpp
index 708df89..1b42efc 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -106,12 +106,11 @@ int main()
     // TODO: add something in a nice eccentric orbit around the moon
     // make the earth-moon system
     ParticleMap map;
-    map.setParticle({"moon", 7.3e22});
     map.setParticle({"earth", 5.9e24});
-    map.setRelationship("moon", "earth", orbit);
-    // TODO: there is a bug where re-ordering the visualizers breaks rendering
-    ParticleVisualizer moonVis(map, "moon", 0.1, litProgram, unlitProgram);
+    map.setParticle({"moon", 7.3e22});
+    map.setRelationship("earth", "moon", orbit);
     ParticleVisualizer earthVis(map, "earth", 0.2, litProgram, unlitProgram);
+    ParticleVisualizer moonVis(map, "moon", 0.1, litProgram, unlitProgram);
     OrbitVisualizer orbitVis(orbit, unlitProgram);
 
     // register input
diff --git a/src/particlevisualizer.hpp b/src/particlevisualizer.hpp
index 19808e2..d16c987 100644
--- a/src/particlevisualizer.hpp
+++ b/src/particlevisualizer.hpp
@@ -17,7 +17,7 @@ class ParticleVisualizer
         void updateModelMatrix();
 
         const ParticleMap& _map;
-        const std::string& _particleId;
+        const std::string _particleId;
         Icosphere _sphere;
         Widget _widget;
 };