diff --git a/src/server/game/Achievements/AchievementMgr.cpp b/src/server/game/Achievements/AchievementMgr.cpp
index f72906ed951..79366f90395 100755
--- a/src/server/game/Achievements/AchievementMgr.cpp
+++ b/src/server/game/Achievements/AchievementMgr.cpp
@@ -2144,7 +2144,7 @@ bool AchievementMgr::CanUpdateCriteria(AchievementCriteriaEntry const* criteria,
                     return false;
                 break;
             case ACHIEVEMENT_CRITERIA_ADDITIONAL_CONDITION_TARGET_LEVEL:
-                if (!unit && unit->getLevel() != value)
+                if (!unit || unit->getLevel() != value)
                     return false;
                 break;
             case ACHIEVEMENT_CRITERIA_ADDITIONAL_CONDITION_TARGET_HEALTH_PERCENT_BELOW: