diff --git a/tests/sys_time_test.cpp b/tests/sys_time_test.cpp
index d033364..5dda7ab 100644
--- a/tests/sys_time_test.cpp
+++ b/tests/sys_time_test.cpp
@@ -147,7 +147,7 @@
     tv2.tv_usec += 1000000;
   }
 
-  // Should be less than (a very generous, to try to avoid flakiness) 5ms (5000us).
+  // To try to avoid flakiness we'll accept answers within 10,000us (0.01s).
   ASSERT_EQ(0, tv2.tv_sec);
-  ASSERT_LT(tv2.tv_usec, 5000);
+  ASSERT_LT(tv2.tv_usec, 10'000);
 }