diff --git a/include/holidays/ca.rem b/include/holidays/ca.rem
index eb1fc3fa..539ce9b8 100644
--- a/include/holidays/ca.rem
+++ b/include/holidays/ca.rem
@@ -33,4 +33,5 @@ OMIT 26 December MSG Boxing Day
 REM 26 December SCANFROM -28 ADDOMIT SATISFY [$Tw == 1] MSG Christmas Day (observed)
 REM 27 December SCANFROM -28 ADDOMIT SATISFY [$Tw == 1] MSG Christmas Day (observed)
 REM 27 December SCANFROM -28 ADDOMIT SATISFY [$Tw == 2] MSG Boxing Day (observed)
+REM 28 December SCANFROM -28 ADDOMIT SATISFY [$Tw == 1] MSG Boxing Day (observed)
 REM 28 December SCANFROM -28 ADDOMIT SATISFY [$Tw == 2] MSG Boxing Day (observed)