diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/admin/audition/AdminAuditionRepository.kt b/src/main/kotlin/kr/co/vividnext/sodalive/admin/audition/AdminAuditionRepository.kt
index c2b7827..5c9a753 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/admin/audition/AdminAuditionRepository.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/admin/audition/AdminAuditionRepository.kt
@@ -70,7 +70,7 @@ class AdminAuditionQueryRepositoryImpl(
                     audition.title,
                     audition.imagePath.prepend("/").prepend(coverImageHost),
                     audition.information,
-                    audition.originalWorkUrl,
+                    audition.originalWorkUrl.coalesce(""),
                     list(
                         QGetAuditionDetailRole(
                             auditionRole.id,
@@ -84,6 +84,7 @@ class AdminAuditionQueryRepositoryImpl(
             .from(audition)
             .leftJoin(auditionRole).on(auditionRole.audition.id.eq(audition.id))
             .where(audition.id.eq(auditionId))
+            .groupBy(audition.id)
             .fetchFirst()
     }
 
diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/admin/audition/GetAuditionDetailResponse.kt b/src/main/kotlin/kr/co/vividnext/sodalive/admin/audition/GetAuditionDetailResponse.kt
index 2cdc85a..9ac5a2b 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/admin/audition/GetAuditionDetailResponse.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/admin/audition/GetAuditionDetailResponse.kt
@@ -9,7 +9,7 @@ data class GetAuditionDetailResponse @QueryProjection constructor(
     val imageUrl: String,
     val information: String,
     val originalWorkUrl: String,
-    val roleList: List<GetAuditionDetailRole> = listOf()
+    val roleList: List<GetAuditionDetailRole> = emptyList()
 )
 
 data class GetAuditionDetailRole @QueryProjection constructor(