Only in openttd-1.8.0-mod: src/saveload/.saveload.cpp.swp
--- a/src/thread/thread_pthread.cpp
+++ b/src/thread/thread_pthread.cpp
@@ -42,7 +42,10 @@
 		self_destruct(self_destruct),
 		name(name)
 	{
-		pthread_create(&this->thread, NULL, &stThreadProc, this);
+		pthread_attr_t attrs;
+		pthread_attr_init(&attrs);
+		pthread_attr_setstacksize(&attrs, 1048576);
+		pthread_create(&this->thread, &attrs, &stThreadProc, this);
 	}
 
 	/* virtual */ bool Exit()