diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/content/AudioContentController.kt b/src/main/kotlin/kr/co/vividnext/sodalive/content/AudioContentController.kt
index 409adb8..f631261 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/content/AudioContentController.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/content/AudioContentController.kt
@@ -105,7 +105,7 @@ class AudioContentController(private val service: AudioContentService) {
     fun getAudioContentList(
         @RequestParam("creator-id") creatorId: Long,
         @RequestParam("sort-type", required = false) sortType: SortType = SortType.NEWEST,
-        @RequestParam("category-id", required = false) categoryId: Long = 0,
+        @RequestParam("category-id", required = false) categoryId: Long? = 0,
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?,
         pageable: Pageable
     ) = run {
@@ -115,7 +115,7 @@ class AudioContentController(private val service: AudioContentService) {
             service.getAudioContentList(
                 creatorId = creatorId,
                 sortType = sortType,
-                categoryId = categoryId,
+                categoryId = categoryId ?: 0,
                 member = member,
                 offset = pageable.offset,
                 limit = pageable.pageSize.toLong()