diff --git a/src/include/pthread.h b/src/include/pthread.h
index ecbb76a5..cfb1356a 100644
--- a/src/include/pthread.h
+++ b/src/include/pthread.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: pthread.h,v 1.3 2017/11/04 22:53:57 jca Exp $	*/
+/*	$OpenBSD: pthread.h,v 1.4 2018/03/05 01:15:26 deraadt Exp $	*/
 
 /*
  * Copyright (c) 1993, 1994 by Chris Provenzano, proven@mit.edu
@@ -51,7 +51,7 @@
  */
 #define PTHREAD_DESTRUCTOR_ITERATIONS		4
 #define PTHREAD_KEYS_MAX			256
-#define PTHREAD_STACK_MIN			2048
+#define PTHREAD_STACK_MIN			(1U << _MAX_PAGE_SHIFT)
 #define PTHREAD_THREADS_MAX			ULONG_MAX
 
 /*