diff --git a/batch/src/main/kotlin/sugangsnu/job/vacancynotification/service/VacancyNotifierService.kt b/batch/src/main/kotlin/sugangsnu/job/vacancynotification/service/VacancyNotifierService.kt
index 6ad9245f..0daaa164 100644
--- a/batch/src/main/kotlin/sugangsnu/job/vacancynotification/service/VacancyNotifierService.kt
+++ b/batch/src/main/kotlin/sugangsnu/job/vacancynotification/service/VacancyNotifierService.kt
@@ -105,7 +105,8 @@ class VacancyNotifierServiceImpl(
                     }
             lectureService.upsertLectures(updated)
 
-            val currentMinute = Instant.now().atZone(ZoneId.of("Asia/Seoul")).minute
+            val now = Instant.now().atZone(ZoneId.of("Asia/Seoul"))
+            val currentMinute = now.hour * 60 + now.minute
             val targetTimeString =
                 vacantSeatRegistrationTimes
                     .filter { currentMinute < it.endMinute }
diff --git a/batch/src/main/resources/application.yml b/batch/src/main/resources/application.yml
index b97a947e..e160394b 100644
--- a/batch/src/main/resources/application.yml
+++ b/batch/src/main/resources/application.yml
@@ -6,6 +6,10 @@ spring:
       name: ${job.name:EMPTY}
   main:
     web-application-type: none
+  task:
+    scheduling:
+      pool:
+        size: 0
 ---
 spring:
   config: