diff --git a/cmd-pipe-pane.c b/cmd-pipe-pane.c
index 20318492..aac23a0f 100644
--- a/cmd-pipe-pane.c
+++ b/cmd-pipe-pane.c
@@ -130,7 +130,7 @@ cmd_pipe_pane_exec(struct cmd *self, struct cmdq_item *item)
 		sigprocmask(SIG_SETMASK, &oldset, NULL);
 		close(pipe_fd[0]);
 
-		null_fd = open(_PATH_DEVNULL, O_WRONLY, 0);
+		null_fd = open(_PATH_DEVNULL, O_WRONLY);
 		if (out) {
 			if (dup2(pipe_fd[1], STDIN_FILENO) == -1)
 				_exit(1);
diff --git a/job.c b/job.c
index 77f9318e..b312fdc2 100644
--- a/job.c
+++ b/job.c
@@ -140,7 +140,7 @@ job_run(const char *cmd, int argc, char **argv, struct environ *e, struct sessio
 				close(out[1]);
 			close(out[0]);
 
-			nullfd = open(_PATH_DEVNULL, O_RDWR, 0);
+			nullfd = open(_PATH_DEVNULL, O_RDWR);
 			if (nullfd == -1)
 				fatal("open failed");
 			if (dup2(nullfd, STDERR_FILENO) == -1)