1 files changed, 1 insertions, 1 deletions

diff --git a/config.h b/config.h
index 2b77e71c5..da916c3e3 100644
--- a/config.h
+++ b/config.h
@@ -16,7 +16,7 @@
 #define NETWORK_BUFFER_LENGTH_DIGITS 5u
 #define NETWORK_BUFFER_LENGTH_DIGITS_STR "5"
 
-#define TIME_S_TO_US(s) (s * 1000u * 1000u)
+#define TIME_S_TO_US(s) (s * 1000llu * 1000llu)
 
 /* nDPId default config options */
 #define nDPId_PIDFILE "/tmp/ndpid.pid"