diff --git a/src/it/animeunity/build.gradle b/src/it/animeunity/build.gradle
index 3d7239742..50adbd042 100644
--- a/src/it/animeunity/build.gradle
+++ b/src/it/animeunity/build.gradle
@@ -6,7 +6,7 @@ ext {
     extName = 'AnimeUnity'
     pkgNameSuffix = 'it.animeunity'
     extClass = '.AnimeUnity'
-    extVersionCode = 1
+    extVersionCode = 2
     libVersion = '13'
 }
 
diff --git a/src/it/animeunity/src/eu/kanade/tachiyomi/animeextension/it/animeunity/AnimeUnity.kt b/src/it/animeunity/src/eu/kanade/tachiyomi/animeextension/it/animeunity/AnimeUnity.kt
index 763dd654c..3075e82dc 100644
--- a/src/it/animeunity/src/eu/kanade/tachiyomi/animeextension/it/animeunity/AnimeUnity.kt
+++ b/src/it/animeunity/src/eu/kanade/tachiyomi/animeextension/it/animeunity/AnimeUnity.kt
@@ -201,7 +201,7 @@ class AnimeUnity : ConfigurableAnimeSource, AnimeHttpSource() {
 
         anime.title = animeDetails.title_eng
         anime.status = parseStatus(animeDetails.status)
-        anime.artist = animeDetails.studio
+        anime.artist = animeDetails.studio ?: ""
         anime.genre = animeDetails.genres.joinToString(", ") { it.name }
 
         var description = animeDetails.plot + "\n"
@@ -417,7 +417,10 @@ class AnimeUnity : ConfigurableAnimeSource, AnimeHttpSource() {
         val quality = preferences.getString("preferred_quality", "1080")!!
 
         return this.sortedWith(
-            compareBy { it.quality.contains(quality) }
+            compareBy(
+                { it.quality.contains(quality) },
+                { it.quality.substringBefore("p").toIntOrNull() ?: 0 }
+            )
         ).reversed()
     }
 
diff --git a/src/it/animeunity/src/eu/kanade/tachiyomi/animeextension/it/animeunity/AnimeUnityFilters.kt b/src/it/animeunity/src/eu/kanade/tachiyomi/animeextension/it/animeunity/AnimeUnityFilters.kt
index 432894b6b..ec3a49a70 100644
--- a/src/it/animeunity/src/eu/kanade/tachiyomi/animeextension/it/animeunity/AnimeUnityFilters.kt
+++ b/src/it/animeunity/src/eu/kanade/tachiyomi/animeextension/it/animeunity/AnimeUnityFilters.kt
@@ -164,6 +164,7 @@ object AnimeUnityFilters {
             any,
             Pair("Lista A-Z", "Lista A-Z"),
             Pair("Lista Z-A", "Lista Z-A"),
+            Pair("Popolarità", "Popolarità"),
             Pair("Valutazione", "Valutazione"),
         )
 
diff --git a/src/it/animeunity/src/eu/kanade/tachiyomi/animeextension/it/animeunity/DataModel.kt b/src/it/animeunity/src/eu/kanade/tachiyomi/animeextension/it/animeunity/DataModel.kt
index f3a35484f..ecad3fbbb 100644
--- a/src/it/animeunity/src/eu/kanade/tachiyomi/animeextension/it/animeunity/DataModel.kt
+++ b/src/it/animeunity/src/eu/kanade/tachiyomi/animeextension/it/animeunity/DataModel.kt
@@ -61,8 +61,8 @@ data class AnimeInfo(
     val id: Int,
     val type: String,
     val status: String,
-    val studio: String,
     val genres: List<Genre>,
+    val studio: String? = null,
     val score: String? = null,
 ) {
     @Serializable