diff --git a/sp/src/game/server/hl2/npc_turret_floor.cpp b/sp/src/game/server/hl2/npc_turret_floor.cpp
index 8698e742..f365dfd7 100644
--- a/sp/src/game/server/hl2/npc_turret_floor.cpp
+++ b/sp/src/game/server/hl2/npc_turret_floor.cpp
@@ -152,6 +152,9 @@ BEGIN_DATADESC( CNPC_FloorTurret )
 	DEFINE_OUTPUT( m_OnTipped, "OnTipped" ),
 	DEFINE_OUTPUT( m_OnPhysGunPickup, "OnPhysGunPickup" ),
 	DEFINE_OUTPUT( m_OnPhysGunDrop, "OnPhysGunDrop" ),
+#ifdef MAPBASE
+	DEFINE_OUTPUT( m_OnStartTipped, "OnStartTipped" ),
+#endif
 
 	DEFINE_BASENPCINTERACTABLE_DATADESC(),
 
@@ -1526,6 +1529,10 @@ bool CNPC_FloorTurret::PreThink( turretState_e state )
 				SetEyeState( TURRET_EYE_DEAD );
 			}
 
+#ifdef MAPBASE
+			m_OnStartTipped.FireOutput( this, this );
+#endif
+
 			//Stop being targetted
 			SetState( NPC_STATE_DEAD );
 			m_lifeState = LIFE_DEAD;
diff --git a/sp/src/game/server/hl2/npc_turret_floor.h b/sp/src/game/server/hl2/npc_turret_floor.h
index 8600e13a..af006a01 100644
--- a/sp/src/game/server/hl2/npc_turret_floor.h
+++ b/sp/src/game/server/hl2/npc_turret_floor.h
@@ -265,6 +265,9 @@ protected:
 	COutputEvent m_OnTipped;
 	COutputEvent m_OnPhysGunPickup;
 	COutputEvent m_OnPhysGunDrop;
+#ifdef MAPBASE
+	COutputEvent m_OnStartTipped;
+#endif
 
 	bool	m_bHackedByAlyx;
 	HSOUNDSCRIPTHANDLE			m_ShotSounds;