diff --git a/core/designsystem/src/androidMain/kotlin/io/github/droidkaigi/confsched2023/designsystem/preview/Annotations.kt b/core/designsystem/src/androidMain/kotlin/io/github/droidkaigi/confsched2023/designsystem/preview/Annotations.kt
index 4eb5b69e8..44acb7abb 100644
--- a/core/designsystem/src/androidMain/kotlin/io/github/droidkaigi/confsched2023/designsystem/preview/Annotations.kt
+++ b/core/designsystem/src/androidMain/kotlin/io/github/droidkaigi/confsched2023/designsystem/preview/Annotations.kt
@@ -60,13 +60,13 @@ object MultiLanguagePreviewDefinition {
     object Japanese {
         const val Name = "Japanese"
         const val Locale = "ja_JP"
-        const val LocaleShort = "ja"
+        const val Language = "ja"
     }
 
     object English {
         const val Name = "English"
         const val Locale = "en_US"
-        const val LocaleShort = "en"
+        const val Language = "en"
     }
 }
 
@@ -78,11 +78,11 @@ object MultiLanguagePreviewDefinition {
 @Preview(
     name = MultiLanguagePreviewDefinition.Japanese.Name,
     group = MultiLanguagePreviewDefinition.Group,
-    locale = MultiLanguagePreviewDefinition.Japanese.LocaleShort,
+    locale = MultiLanguagePreviewDefinition.Japanese.Language,
 )
 @Preview(
     name = MultiLanguagePreviewDefinition.English.Name,
     group = MultiLanguagePreviewDefinition.Group,
-    locale = MultiLanguagePreviewDefinition.English.LocaleShort,
+    locale = MultiLanguagePreviewDefinition.English.Language,
 )
 annotation class MultiLanguagePreviews