1 files changed, 1 insertions, 1 deletions

diff --git a/libbb/rtc.c b/libbb/rtc.c
index 1fdeee80f..222d977ca 100644
--- a/libbb/rtc.c
+++ b/libbb/rtc.c
@@ -14,7 +14,7 @@
 int FAST_FUNC rtc_adjtime_is_utc(void)
 {
         int utc = 0;
-        FILE *f = fopen(ADJTIME_PATH, "r");
+        FILE *f = fopen_for_read(ADJTIME_PATH);
 
         if (f) {
                 RESERVE_CONFIG_BUFFER(buffer, 128);