diff --git a/code/nel/src/ligo/ligo_error.h b/code/nel/include/nel/ligo/ligo_error.h
similarity index 100%
rename from code/nel/src/ligo/ligo_error.h
rename to code/nel/include/nel/ligo/ligo_error.h
diff --git a/code/nel/src/ligo/zone_template.h b/code/nel/include/nel/ligo/zone_template.h
similarity index 100%
rename from code/nel/src/ligo/zone_template.h
rename to code/nel/include/nel/ligo/zone_template.h
diff --git a/code/nel/tools/3d/ligo/plugin_max/max_to_ligo.cpp b/code/nel/tools/3d/ligo/plugin_max/max_to_ligo.cpp
index 052eb04a0..1abe022f8 100644
--- a/code/nel/tools/3d/ligo/plugin_max/max_to_ligo.cpp
+++ b/code/nel/tools/3d/ligo/plugin_max/max_to_ligo.cpp
@@ -33,9 +33,10 @@
 #include "nel/misc/stream.h"
 
 // From ligo library
-#include "nel/../../src/ligo/zone_template.h"
+#include "nel/ligo/zone_template.h"
 #include "nel/ligo/ligo_config.h"
-#include "nel/../../src/ligo/ligo_error.h"
+#include "nel/ligo/ligo_error.h"
+#include "nel/misc/path.h"
 
 using namespace std;
 using namespace NLMISC;
diff --git a/code/nel/tools/3d/ligo/plugin_max/script.cpp b/code/nel/tools/3d/ligo/plugin_max/script.cpp
index b494f69ff..077aa4054 100644
--- a/code/nel/tools/3d/ligo/plugin_max/script.cpp
+++ b/code/nel/tools/3d/ligo/plugin_max/script.cpp
@@ -80,9 +80,9 @@ namespace std
 #include "nel/misc/config_file.h"
 
 // From ligo library
-#include "nel/../../src/ligo/zone_template.h"
+#include "nel/ligo/zone_template.h"
 #include "nel/ligo/ligo_config.h"
-#include "nel/../../src/ligo/ligo_error.h"
+#include "nel/ligo/ligo_error.h"
 #include "nel/../../src/ligo/ligo_material.h"
 #include "nel/../../src/ligo/transition.h"
 #include "nel/ligo/zone_bank.h"