diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/original/detail/OriginalWorkDetailActivity.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/original/detail/OriginalWorkDetailActivity.kt
index 50aa9bf3..7030844b 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/chat/original/detail/OriginalWorkDetailActivity.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/original/detail/OriginalWorkDetailActivity.kt
@@ -44,10 +44,11 @@ class OriginalWorkDetailActivity : BaseActivity<ActivityOriginalWorkDetailBindin
     override fun setupView() {
         loadingDialog = LoadingDialog(this, layoutInflater)
 
-        // 배경 이미지 높이를 화면 너비 비율에 맞게 설정(306:432)
+        // 배경 이미지 높이를 화면 너비 비율에 맞게 설정(306:160)
+        // => 160 = (432 / 2) - 56(toolbar 높이)
         binding.ivBg.post {
             val width = binding.ivBg.width.takeIf { it > 0 } ?: resources.displayMetrics.widthPixels
-            val height = width * 432 / 306
+            val height = width * 160 / 306
             val lp = binding.ivBg.layoutParams
             lp.height = height
             binding.ivBg.layoutParams = lp