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-rw-r--r--libc/pwd_grp/initgroups.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libc/pwd_grp/initgroups.c b/libc/pwd_grp/initgroups.c
index f3c0604f5..98b2626f3 100644
--- a/libc/pwd_grp/initgroups.c
+++ b/libc/pwd_grp/initgroups.c
@@ -63,7 +63,7 @@ int initgroups(__const char *user, gid_t gid)
group_list = (gid_t *) realloc(group_list, num_groups *
sizeof(gid_t *));
#endif
- group_list[num_groups] = group->gr_gid;
+ group_list[num_groups-1] = group->gr_gid;
}
tmp_mem++;
}