diff --git a/Scripts/Python/grsnNexusBookMachine.py b/Scripts/Python/grsnNexusBookMachine.py
index 485280f0eb..acf31833d0 100644
--- a/Scripts/Python/grsnNexusBookMachine.py
+++ b/Scripts/Python/grsnNexusBookMachine.py
@@ -81,7 +81,6 @@
 kElevMoving = 1
 kElevUp = 2
 elevatorStatus = kElevDown
-serverInitDone = False
 
 class grsnNexusBookMachine(ptResponder):
 
@@ -90,6 +89,7 @@ def __init__(self):
         PtDebugPrint("book machine init")
         self.id = 53624
         self.version = 2
+        self.serverInitDone = False
 
     def IAmMaster(self):
         return (self.sceneobject.isLocallyOwned())
@@ -106,8 +106,7 @@ def GetPlayersInChatDistance(self, minPlayers=8):
         return plyrList
 
     def OnServerInitComplete(self):
-        global serverInitDone
-        serverInitDone = True
+        self.serverInitDone = True
         bookPillarSpinning.run(self.key,netPropagate=False)
         if not PtIsSolo():
             return
@@ -154,7 +153,7 @@ def OnNotify(self,state,id,events):
         global elevatorStatus
 
         #PtDebugPrint("id ",id)
-        if not serverInitDone:
+        if not self.serverInitDone:
             return
 
         avatar=PtFindAvatar(events)