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-rw-r--r--ext/pty/pty.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/pty/pty.c b/ext/pty/pty.c
index 20b2cc09cd7..4ba1cba6212 100644
--- a/ext/pty/pty.c
+++ b/ext/pty/pty.c
@@ -144,7 +144,7 @@ chfunc(void *data, char *errbuf, size_t errbuf_len)
dup2(slave,2);
close(slave);
#if defined(HAVE_SETEUID) || defined(HAVE_SETREUID) || defined(HAVE_SETRESUID)
- seteuid(getuid());
+ if (seteuid(getuid())) ERROR_EXIT("seteuid()");
#endif
return rb_exec_async_signal_safe(carg->eargp, errbuf, sizeof(errbuf_len));