1 files changed, 2 insertions, 1 deletions

diff --git a/src/util.c b/src/util.c
index 0ce7c27..af32269 100644
--- a/src/util.c
+++ b/src/util.c
@@ -11,7 +11,8 @@ struct strftime_cache {
    char buf[128];
 };
 
-void log_(char const *log_type, FILE *stream, char const *fmt, va_list args) {
+static void log_(char const *log_type, FILE *stream, char const *fmt,
+                 va_list args) {
    static struct strftime_cache strft;
 
    time_t t = time(NULL);