diff --git a/server/src/main/kotlin/suwayomi/tachidesk/manga/impl/extension/Extension.kt b/server/src/main/kotlin/suwayomi/tachidesk/manga/impl/extension/Extension.kt
index 4fbc999c0..70c255e4d 100644
--- a/server/src/main/kotlin/suwayomi/tachidesk/manga/impl/extension/Extension.kt
+++ b/server/src/main/kotlin/suwayomi/tachidesk/manga/impl/extension/Extension.kt
@@ -155,7 +155,16 @@ object Extension {
 
             var contentWarning = packageInfo.applicationInfo.metaData.getInt(METADATA_CONTENT_WARNING)
             if (contentWarning == 0) {
-                contentWarning = packageInfo.applicationInfo.metaData.getInt(METADATA_NSFW)
+                contentWarning = packageInfo.applicationInfo.metaData
+                    .getString(METADATA_CONTENT_WARNING)
+                    ?.toIntOrNull()
+                    ?: 0
+                if (contentWarning == 0) {
+                    contentWarning = packageInfo.applicationInfo.metaData
+                        .getString(METADATA_NSFW)
+                        ?.toIntOrNull()
+                        ?: 0
+                }
             }
 
             val className =