diff --git a/code/nel/src/ligo/ligo_material.h b/code/nel/include/nel/ligo/ligo_material.h
similarity index 100%
rename from code/nel/src/ligo/ligo_material.h
rename to code/nel/include/nel/ligo/ligo_material.h
diff --git a/code/nel/src/ligo/transition.h b/code/nel/include/nel/ligo/transition.h
similarity index 100%
rename from code/nel/src/ligo/transition.h
rename to code/nel/include/nel/ligo/transition.h
diff --git a/code/nel/src/ligo/zone_edge.h b/code/nel/include/nel/ligo/zone_edge.h
similarity index 100%
rename from code/nel/src/ligo/zone_edge.h
rename to code/nel/include/nel/ligo/zone_edge.h