diff --git a/tests/js/ttimes.nim b/tests/js/ttimes.nim
index a39ebe0b3b..644e9670af 100644
--- a/tests/js/ttimes.nim
+++ b/tests/js/ttimes.nim
@@ -10,4 +10,4 @@ import times
 
 block yeardayTest:
   # check if yearday attribute is properly set on TimeInfo creation
-  doAssert fromSeconds(2147483647).getGMTime().yearday == 0
+  doAssert fromSeconds(2147483647).getGMTime().yearday == 18