diff --git a/app/src/main/java/org/shirabox/app/ui/screen/profile/history/HistoryScreen.kt b/app/src/main/java/org/shirabox/app/ui/screen/profile/history/HistoryScreen.kt
index a4d4a12..224930e 100644
--- a/app/src/main/java/org/shirabox/app/ui/screen/profile/history/HistoryScreen.kt
+++ b/app/src/main/java/org/shirabox/app/ui/screen/profile/history/HistoryScreen.kt
@@ -44,6 +44,7 @@ fun History(
     val contents by model.contentsFlow().collectAsState(initial = emptyList())
 
     val currentType by remember { mutableStateOf(ContentType.ANIME) }
+    val unknownProduction = stringResource(id = R.string.unknown_production)
 
     val filteredContentsByTypeAndDate by remember(currentType) {
         derivedStateOf {
@@ -100,7 +101,7 @@ fun History(
                                 overflow = TextOverflow.Ellipsis
                             )
                         },
-                        supportingString = "${contentEntity.production?.let { "$it\n" }}" +
+                        supportingString = "${contentEntity.production?.let { "$it\n" } ?: "${unknownProduction}\n"}" +
                                 "${contentEntity.releaseYear}, ${ValuesHelper.decodeKind(contentEntity.kind, context)}",
                         coverImage = contentEntity.image
                     ) {