1 files changed, 4 insertions, 2 deletions

diff --git a/uidswap.c b/uidswap.c
index 1d78c607a..40e121503 100644
--- a/uidswap.c
+++ b/uidswap.c
@@ -162,8 +162,10 @@ restore_uid(void)
          * Propagate the real uid (usually more privileged) to effective uid
          * as well.
          */
-        setuid(getuid());
-        setgid(getgid());
+        if (setuid(getuid()) == -1)
+                fatal("%s: setuid failed: %s", __func__, strerror(errno));
+        if (setgid(getgid()) == -1)
+                fatal("%s: setgid failed: %s", __func__, strerror(errno));
 #endif /* SAVED_IDS_WORK_WITH_SETEUID */
 
         if (setgroups(saved_egroupslen, saved_egroups) == -1)