diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/explorer/ExplorerService.kt b/src/main/kotlin/kr/co/vividnext/sodalive/explorer/ExplorerService.kt
index 64af747..0a752d3 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/explorer/ExplorerService.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/explorer/ExplorerService.kt
@@ -70,7 +70,7 @@ class ExplorerService(
         val currentDateTime = LocalDateTime.now()
         val lastMonday = currentDateTime
             .minusWeeks(1)
-            .with(TemporalAdjusters.previousOrSame(DayOfWeek.SUNDAY))
+            .with(TemporalAdjusters.previousOrSame(DayOfWeek.MONDAY))
         val lastSunday = lastMonday
             .plusDays(6)