diff --git a/sp/src/game/server/hl2/ai_behavior_actbusy.cpp b/sp/src/game/server/hl2/ai_behavior_actbusy.cpp
index c5ad733d..069960f6 100644
--- a/sp/src/game/server/hl2/ai_behavior_actbusy.cpp
+++ b/sp/src/game/server/hl2/ai_behavior_actbusy.cpp
@@ -1802,6 +1802,20 @@ bool CAI_ActBusyBehavior::PlayAnimForActBusy( busyanimparts_t AnimPart )
 	return false;
 }
 
+#ifdef MAPBASE
+//-----------------------------------------------------------------------------
+// Purpose: Get the busy's move activity
+//-----------------------------------------------------------------------------
+Activity CAI_ActBusyBehavior::GetMoveActivityForActBusy()
+{
+	busyanim_t *pBusyAnim = g_ActBusyAnimDataSystem.GetBusyAnim( m_iCurrentBusyAnim );
+	if ( !pBusyAnim )
+		return m_ForcedActivity;
+
+	return pBusyAnim->bTranslateActivity ? GetOuter()->TranslateActivity( m_ForcedActivity ) : m_ForcedActivity;
+}
+#endif
+
 //-----------------------------------------------------------------------------
 // Purpose: 
 //-----------------------------------------------------------------------------
@@ -2030,7 +2044,11 @@ void CAI_ActBusyBehavior::StartTask( const Task_t *pTask )
 			// If we have a forced activity, use that. Otherwise, walk.
 			if ( m_ForcedActivity != ACT_INVALID && m_ForcedActivity != ACT_RESET )
 			{
+#ifdef MAPBASE
+				GetNavigator()->SetMovementActivity( GetMoveActivityForActBusy() );
+#else
 				GetNavigator()->SetMovementActivity( m_ForcedActivity );
+#endif
 
 				// Cover is void once I move
 				Forget( bits_MEMORY_INCOVER );
diff --git a/sp/src/game/server/hl2/ai_behavior_actbusy.h b/sp/src/game/server/hl2/ai_behavior_actbusy.h
index 264fdb3d..63ebecec 100644
--- a/sp/src/game/server/hl2/ai_behavior_actbusy.h
+++ b/sp/src/game/server/hl2/ai_behavior_actbusy.h
@@ -167,6 +167,9 @@ private:
 	void			NotifyBusyEnding( void );
 	bool			HasAnimForActBusy( int iActBusy, busyanimparts_t AnimPart );
 	bool			PlayAnimForActBusy( busyanimparts_t AnimPart );
+#ifdef MAPBASE
+	Activity		GetMoveActivityForActBusy();
+#endif
 	void			PlaySoundForActBusy( busyanimparts_t AnimPart ); 
 
 private: