diff --git a/code/nel/src/ligo/zone_region.h b/code/nel/include/nel/ligo/zone_region.h
similarity index 100%
rename from code/nel/src/ligo/zone_region.h
rename to code/nel/include/nel/ligo/zone_region.h
diff --git a/code/nel/src/ligo/zone_region.cpp b/code/nel/src/ligo/zone_region.cpp
index 222940100..00ddef5b7 100644
--- a/code/nel/src/ligo/zone_region.cpp
+++ b/code/nel/src/ligo/zone_region.cpp
@@ -15,7 +15,7 @@
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "stdligo.h"
-#include "zone_region.h"
+#include "nel/ligo/zone_region.h"
 
 using namespace NLMISC;
 using namespace std;