diff --git a/code/fgame/scriptslave.cpp b/code/fgame/scriptslave.cpp
index 924910eb..6409b1a5 100644
--- a/code/fgame/scriptslave.cpp
+++ b/code/fgame/scriptslave.cpp
@@ -819,7 +819,7 @@ void ScriptSlave::DoMove(Event *ev)
 void ScriptSlave::WaitMove(Event *ev)
 {
     NewMove();
-    Register(0, Director.CurrentThread());
+    Register(0, Director.CurrentScriptThread());
 }
 
 void ScriptSlave::MoveEnd(Event *ev)