diff --git a/common/clock.c b/common/clock.c
index 8eeb917..15df0ab 100644
--- a/common/clock.c
+++ b/common/clock.c
@@ -84,8 +84,7 @@
 
 int is_timeout(uint64_t start_ns, uint64_t time_offset_ns)
 {
-
-	if (start_ns + time_offset_ns < get_time_ns())
+	if ((int64_t)(start_ns + time_offset_ns - get_time_ns()) < 0)
 		return 1;
 	else
 		return 0;