diff --git a/src/Mobs/Monster.cpp b/src/Mobs/Monster.cpp
index aa6071515..171097aba 100644
--- a/src/Mobs/Monster.cpp
+++ b/src/Mobs/Monster.cpp
@@ -526,7 +526,10 @@ void cMonster::KilledBy(cEntity * a_Killer)
 			break;
 		}
 	}
-	m_World->SpawnExperienceOrb(GetPosX(), GetPosY(), GetPosZ(), Reward);
+	if (a_Killer != NULL)
+	{
+		m_World->SpawnExperienceOrb(GetPosX(), GetPosY(), GetPosZ(), Reward);
+	}
 	m_DestroyTimer = 0;
 }