diff --git a/code/nel/include/nel/misc/debug.h b/code/nel/include/nel/misc/debug.h
index 8d469b133..8c2efc62e 100644
--- a/code/nel/include/nel/misc/debug.h
+++ b/code/nel/include/nel/misc/debug.h
@@ -478,7 +478,7 @@ do { \
 
 #endif // NL_NO_DEBUG
 
-#define nlunreferenced(identifier) (identifier)
+#define nlunreferenced(identifier) (void)identifier
 
 #define nlstop \
 do { \