diff --git a/squirrel/sqbaselib.cpp b/squirrel/sqbaselib.cpp
index e2f248e..308d2cc 100644
--- a/squirrel/sqbaselib.cpp
+++ b/squirrel/sqbaselib.cpp
@@ -1149,6 +1149,7 @@ static SQInteger thread_call(HSQUIRRELVM v)
     SQObjectPtr o = stack_get(v,1);
     if(sq_type(o) == OT_THREAD) {
         SQInteger nparams = sq_gettop(v);
+	sq_reservestack(_thread(o), nparams + 3);
         _thread(o)->Push(_thread(o)->_roottable);
         for(SQInteger i = 2; i<(nparams+1); i++)
             sq_move(_thread(o),v,i);