diff --git a/src/bin/dstcheck.cpp b/src/bin/dstcheck.cpp
index 3580a6e751..1e071ab104 100644
--- a/src/bin/dstcheck.cpp
+++ b/src/bin/dstcheck.cpp
@@ -80,6 +80,7 @@ main(int argc, char **argv)
 {
 	time_t t;
 	struct tm tm;
+	tzset();
 	time(&t);
 	localtime_r(&t, &tm);