diff --git a/include/minix/sys_config.h b/include/minix/sys_config.h
index d1789a9f6..533046cd7 100644
--- a/include/minix/sys_config.h
+++ b/include/minix/sys_config.h
@@ -22,6 +22,6 @@
 #define _KMESS_BUF_SIZE  10000
 
 /* Default stack size (limit) */
-#define DEFAULT_STACK_LIMIT (64 * 1024 * 1024)
+#define DEFAULT_STACK_LIMIT (4 * 1024 * 1024)
 
 #endif /* _MINIX_SYS_CONFIG_H */