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-rw-r--r--src/lib/kdb/store_mkey.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/lib/kdb/store_mkey.c b/src/lib/kdb/store_mkey.c
index f7d076f64..67a7b8bfd 100644
--- a/src/lib/kdb/store_mkey.c
+++ b/src/lib/kdb/store_mkey.c
@@ -59,7 +59,12 @@ krb5_keyblock *key;
#if defined(unix) || defined(__unix__)
oumask = umask(077);
#endif
- if (!(kf = fopen(keyfile, "w"))) {
+#if defined(__STDC__)
+ if (!(kf = fopen(keyfile, "wb")))
+#else
+ if (!(kf = fopen(keyfile, "w")))
+#endif
+ {
#if defined(unix) || defined(__unix__)
(void) umask(oumask);
#endif