diff --git a/dms-core/src/main/kotlin/team/aliens/dms/domain/outing/service/CheckOutingServiceImpl.kt b/dms-core/src/main/kotlin/team/aliens/dms/domain/outing/service/CheckOutingServiceImpl.kt
index 48cc9637e..d61ab6ad0 100644
--- a/dms-core/src/main/kotlin/team/aliens/dms/domain/outing/service/CheckOutingServiceImpl.kt
+++ b/dms-core/src/main/kotlin/team/aliens/dms/domain/outing/service/CheckOutingServiceImpl.kt
@@ -44,7 +44,7 @@ class CheckOutingServiceImpl(
     ) {
         queryOutingAvailableTimePort.queryOutingAvailableTimeByDayOfWeek(outingDate.dayOfWeek)
             ?.checkAvailable(outingTime, arrivalTime)
-            ?:throw OutingAvailableTimeMismatchException
+            ?: throw OutingAvailableTimeMismatchException
     }
 
     override fun checkOutingTypeExists(outingType: OutingType) {
diff --git a/dms-core/src/main/kotlin/team/aliens/dms/domain/student/dto/StudentResponse.kt b/dms-core/src/main/kotlin/team/aliens/dms/domain/student/dto/StudentResponse.kt
index 3fba13841..43167b2e6 100644
--- a/dms-core/src/main/kotlin/team/aliens/dms/domain/student/dto/StudentResponse.kt
+++ b/dms-core/src/main/kotlin/team/aliens/dms/domain/student/dto/StudentResponse.kt
@@ -99,7 +99,7 @@ data class StudentDetailsResponse(
 }
 
 data class StudentsResponse(
-    val students: List<StudentDetailsResponse>,
+    val students: List<StudentDetailsResponse> = emptyList(),
 ) {
     companion object {
         @JvmName("ofStudentWithTag")