diff --git a/src/util-time.c b/src/util-time.c
index 67b3fd4944..6229bb5b19 100644
--- a/src/util-time.c
+++ b/src/util-time.c
@@ -643,5 +643,5 @@ uint64_t SCTimespecAsEpochMillis(const struct timespec* ts)
 
 uint64_t TimeDifferenceMicros(struct timeval t0, struct timeval t1)
 {
-    return (uint64_t)(t1.tv_sec - t0.tv_sec) * 1000000L + (t1.tv_usec - t1.tv_usec);
+    return (uint64_t)(t1.tv_sec - t0.tv_sec) * 1000000L + (t1.tv_usec - t0.tv_usec);
 }