diff --git a/code/nel/src/logic/logic_state.cpp b/code/nel/src/logic/logic_state.cpp
index 3259a5ebb..9e943c7ce 100644
--- a/code/nel/src/logic/logic_state.cpp
+++ b/code/nel/src/logic/logic_state.cpp
@@ -15,6 +15,7 @@
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
+#include "stdlogic.h"
 #include "nel/logic/logic_state.h"
 #include "nel/logic/logic_state_machine.h"