diff --git a/open/open_write.c b/open/open_write.c
index 86f373e..4027d06 100644
--- a/open/open_write.c
+++ b/open/open_write.c
@@ -3,5 +3,5 @@
 #include "open.h"
 
 extern int open_write(const char *filename) {
-  return open(filename,O_WRONLY|O_CREAT|O_NDELAY);
+  return open(filename,O_WRONLY|O_CREAT|O_NDELAY,0644);
 }