diff --git a/engine/server/library/serverGame/src/shared/object/CreatureObject.cpp b/engine/server/library/serverGame/src/shared/object/CreatureObject.cpp
index 636932a0..91aae655 100755
--- a/engine/server/library/serverGame/src/shared/object/CreatureObject.cpp
+++ b/engine/server/library/serverGame/src/shared/object/CreatureObject.cpp
@@ -1793,7 +1793,7 @@ void CreatureObject::initializeFirstTimeObject()
         	std::string creature = getTemplateName();
 
 		WARNING_STRICT_FATAL(!getDefaultWeapon(), ("Creature %s (%s) has no default "
-			"weapon", getNetworkId().getValueString(), creature));
+			"weapon", getNetworkId().getValueString().c_str(), creature));
 	}
 
 	const ServerCreatureObjectTemplate * myTemplate = safe_cast<const ServerCreatureObjectTemplate *>(getObjectTemplate());