diff --git a/src/all/comickfun/build.gradle b/src/all/comickfun/build.gradle
index 84a93d9f2..eeeadb960 100644
--- a/src/all/comickfun/build.gradle
+++ b/src/all/comickfun/build.gradle
@@ -6,7 +6,7 @@ ext {
     extName = 'Comick'
     pkgNameSuffix = 'all.comickfun'
     extClass = '.ComickFunFactory'
-    extVersionCode = 37
+    extVersionCode = 38
     isNsfw = true
 }
 
diff --git a/src/all/comickfun/src/eu/kanade/tachiyomi/extension/all/comickfun/ComickFun.kt b/src/all/comickfun/src/eu/kanade/tachiyomi/extension/all/comickfun/ComickFun.kt
index 5010e42d5..d8f7db87e 100644
--- a/src/all/comickfun/src/eu/kanade/tachiyomi/extension/all/comickfun/ComickFun.kt
+++ b/src/all/comickfun/src/eu/kanade/tachiyomi/extension/all/comickfun/ComickFun.kt
@@ -74,11 +74,17 @@ abstract class ComickFun(
             title = "Include Tags"
             summaryOn = "More specific, but might contain spoilers!"
             summaryOff = "Only the broader genres"
-            setDefaultValue(true)
+            setDefaultValue(INCLUDE_MU_TAGS_DEFAULT)
+
+            setOnPreferenceChangeListener { _, newValue ->
+                preferences.edit()
+                    .putBoolean(INCLUDE_MU_TAGS_PREF, newValue as Boolean)
+                    .commit()
+            }
         }.also(screen::addPreference)
     }
 
-    private val SharedPreferences.ignoredGroups
+    private val SharedPreferences.ignoredGroups: Set<String>
         get() = getString(IGNORED_GROUPS_PREF, "")
             ?.lowercase()
             ?.split("\n")
@@ -88,8 +94,8 @@ abstract class ComickFun(
             .orEmpty()
             .toSet()
 
-    private val SharedPreferences.includeMuTags
-        get() = getBoolean(INCLUDE_MU_TAGS_PREF, true)
+    private val SharedPreferences.includeMuTags: Boolean
+        get() = getBoolean(INCLUDE_MU_TAGS_PREF, INCLUDE_MU_TAGS_DEFAULT)
 
     init {
         preferences.newLineIgnoredGroups()
@@ -384,6 +390,7 @@ abstract class ComickFun(
         const val SLUG_SEARCH_PREFIX = "id:"
         private const val IGNORED_GROUPS_PREF = "IgnoredGroups"
         private const val INCLUDE_MU_TAGS_PREF = "IncludeMangaUpdatesTags"
+        private const val INCLUDE_MU_TAGS_DEFAULT = false
         private const val MIGRATED_IGNORED_GROUPS = "MigratedIgnoredGroups"
         private const val limit = 20
         val dateFormat by lazy {
diff --git a/src/all/comickfun/src/eu/kanade/tachiyomi/extension/all/comickfun/ComickFunDto.kt b/src/all/comickfun/src/eu/kanade/tachiyomi/extension/all/comickfun/ComickFunDto.kt
index a8c81b2e8..f915468f9 100644
--- a/src/all/comickfun/src/eu/kanade/tachiyomi/extension/all/comickfun/ComickFunDto.kt
+++ b/src/all/comickfun/src/eu/kanade/tachiyomi/extension/all/comickfun/ComickFunDto.kt
@@ -56,7 +56,7 @@ data class Manga(
             addAll(comic.mdGenres.mapNotNull { it.name })
             if (includeMuTags) {
                 comic.muGenres.categories.forEach { category ->
-                    category.category?.title?.let { add(Name(it)) }
+                    category?.category?.title?.let { add(Name(it)) }
                 }
             }
         }
@@ -78,7 +78,7 @@ data class Comic(
     @SerialName("md_covers") val mdCovers: List<MDcovers> = emptyList(),
     @SerialName("cover_url") val cover: String? = null,
     @SerialName("md_comic_md_genres") val mdGenres: List<MdGenres>,
-    @SerialName("mu_comics") val muGenres: MuComicCategories,
+    @SerialName("mu_comics") val muGenres: MuComicCategories = MuComicCategories(emptyList()),
 ) {
     val origination = when (country) {
         "jp" -> Name("Manga")
@@ -95,7 +95,7 @@ data class MdGenres(
 
 @Serializable
 data class MuComicCategories(
-    @SerialName("mu_comic_categories") val categories: List<MuCategories> = emptyList(),
+    @SerialName("mu_comic_categories") val categories: List<MuCategories?> = emptyList(),
 )
 
 @Serializable