diff --git a/src/main/kotlin/org/gitanimals/render/controller/response/BackgroundResponse.kt b/src/main/kotlin/org/gitanimals/render/controller/response/BackgroundResponse.kt
index 4a44730..77035c0 100644
--- a/src/main/kotlin/org/gitanimals/render/controller/response/BackgroundResponse.kt
+++ b/src/main/kotlin/org/gitanimals/render/controller/response/BackgroundResponse.kt
@@ -1,5 +1,6 @@
 package org.gitanimals.render.controller.response
 
+import org.gitanimals.render.domain.FieldType
 import org.gitanimals.render.domain.User
 
 data class BackgroundResponse(
@@ -9,7 +10,7 @@ data class BackgroundResponse(
 ) {
 
     data class Background(
-        val type: String,
+        val type: FieldType,
     )
 
     companion object {
@@ -17,7 +18,9 @@ data class BackgroundResponse(
             return BackgroundResponse(
                 id = user.id.toString(),
                 name = user.name,
-                backgrounds = user.fields.map { Background(it.fieldType.toString()) },
+                backgrounds = user.fields.map { Background(it.fieldType) }.ifEmpty {
+                    listOf(Background(FieldType.WHITE_FIELD))
+                },
             )
         }
     }