diff --git a/src/main/kotlin/com/vacgom/backend/inoculation/application/InoculationService.kt b/src/main/kotlin/com/vacgom/backend/inoculation/application/InoculationService.kt
index 60d5568..673c396 100644
--- a/src/main/kotlin/com/vacgom/backend/inoculation/application/InoculationService.kt
+++ b/src/main/kotlin/com/vacgom/backend/inoculation/application/InoculationService.kt
@@ -106,9 +106,9 @@ class InoculationService(
                 it.vaccination.vaccineName,
                 it.inoculationOrderString,
                 it.agency,
-                it.lotNumber ?: "로트번호 정보 없음",
-                it.vaccineName ?: "백신명 정보 없음",
-                it.vaccineBrandName ?: "제조사 정보 없음",
+                if (it.lotNumber.isNullOrEmpty()) "로트번호 정보 없음" else it.lotNumber,
+                if (it.vaccineName.isNullOrEmpty()) "백신명 정보 없음" else it.vaccineName,
+                if (it.vaccineBrandName.isNullOrEmpty()) "백신 제조사 정보 없음" else it.vaccineBrandName,
                 it.date,
             )
         }.toList()
diff --git a/src/main/kotlin/com/vacgom/backend/inoculation/application/dto/response/InoculationDetailResponse.kt b/src/main/kotlin/com/vacgom/backend/inoculation/application/dto/response/InoculationDetailResponse.kt
index b7ae687..55716e0 100644
--- a/src/main/kotlin/com/vacgom/backend/inoculation/application/dto/response/InoculationDetailResponse.kt
+++ b/src/main/kotlin/com/vacgom/backend/inoculation/application/dto/response/InoculationDetailResponse.kt
@@ -7,8 +7,8 @@ data class InoculationDetailResponse(
     val vaccineName: String,
     val order: String,
     val agency: String,
-    val lotNumber: String?,
-    val vaccineProductName: String?,
-    val vaccineBrandName: String?,
+    val lotNumber: String,
+    val vaccineProductName: String,
+    val vaccineBrandName: String,
     val date: LocalDate,
 )