diff --git a/src/main/kotlin/org/koitharu/kotatsu/parsers/model/Manga.kt b/src/main/kotlin/org/koitharu/kotatsu/parsers/model/Manga.kt
index 86c1be8e..7ff1874d 100644
--- a/src/main/kotlin/org/koitharu/kotatsu/parsers/model/Manga.kt
+++ b/src/main/kotlin/org/koitharu/kotatsu/parsers/model/Manga.kt
@@ -176,6 +176,7 @@ public data class Manga(
 	public val hasRating: Boolean
 		get() = rating > 0f && rating <= 1f
 
+	@Deprecated("Use contentRating instead", ReplaceWith("contentRating == ContentRating.ADULT"))
 	public val isNsfw: Boolean
 		get() = contentRating == ContentRating.ADULT