diff --git a/src/experimental/toolbox/CMakeLists.txt b/src/experimental/toolbox/CMakeLists.txt
index 48668645..84fdfc04 100644
--- a/src/experimental/toolbox/CMakeLists.txt
+++ b/src/experimental/toolbox/CMakeLists.txt
@@ -26,10 +26,10 @@ target_sources(${MUJOCO_TOOLBOX_TARGET_NAME}
         imgui_widgets.h
         interaction.cc
         interaction.h
-        physics.cc
-        physics.h
         renderer.cc
         renderer.h
+        sim_history.cc
+        sim_history.h
         sim_profiler.cc
         sim_profiler.h
         step_control.cc