diff --git a/src/en/koharu/build.gradle b/src/en/koharu/build.gradle
index 1397ba253..d74bdbbfd 100644
--- a/src/en/koharu/build.gradle
+++ b/src/en/koharu/build.gradle
@@ -1,7 +1,7 @@
 ext {
     extName = 'Koharu'
     extClass = '.Koharu'
-    extVersionCode = 4
+    extVersionCode = 5
     isNsfw = true
 }
 
diff --git a/src/en/koharu/src/eu/kanade/tachiyomi/extension/en/koharu/Koharu.kt b/src/en/koharu/src/eu/kanade/tachiyomi/extension/en/koharu/Koharu.kt
index 89abffb26..a6bb60704 100644
--- a/src/en/koharu/src/eu/kanade/tachiyomi/extension/en/koharu/Koharu.kt
+++ b/src/en/koharu/src/eu/kanade/tachiyomi/extension/en/koharu/Koharu.kt
@@ -82,10 +82,10 @@ class Koharu : HttpSource(), ConfigurableSource {
             data.`1280` -> "1280"
             data.`980` -> "980"
             data.`780` -> "780"
-            else -> "1600"
+            else -> "0"
         }
 
-        val imagesResponse = client.newCall(GET("$apiBooksUrl/data/${entry.id}/${entry.public_key}/${dataKey.id}/${dataKey.public_key}?v=${entry.updated_at}&w=$realQuality", headers)).execute()
+        val imagesResponse = client.newCall(GET("$apiBooksUrl/data/${entry.id}/${entry.public_key}/${dataKey.id}/${dataKey.public_key}?v=${entry.updated_at ?: entry.created_at}&w=$realQuality", headers)).execute()
         val images = imagesResponse.parseAs<ImagesInfo>()
         return images
     }
diff --git a/src/en/koharu/src/eu/kanade/tachiyomi/extension/en/koharu/KoharuFilters.kt b/src/en/koharu/src/eu/kanade/tachiyomi/extension/en/koharu/KoharuFilters.kt
index e8c987471..b871bc400 100644
--- a/src/en/koharu/src/eu/kanade/tachiyomi/extension/en/koharu/KoharuFilters.kt
+++ b/src/en/koharu/src/eu/kanade/tachiyomi/extension/en/koharu/KoharuFilters.kt
@@ -43,12 +43,9 @@ internal class CategoryFilter(name: String) :
 internal open class CheckBoxFilter(name: String, val value: Int, state: Boolean) : Filter.CheckBox(name, state)
 
 private val getSortsList: List<Pair<String, String>> = listOf(
-    Pair("ID", "1"),
+    Pair("Recently Posted", "4"),
     Pair("Title", "2"),
     Pair("Pages", "3"),
-    Pair("Recently Posted", ""),
-    Pair("Recently Updated", "5"),
-    Pair("Original Posted Date", "6"),
     Pair("Most Viewed", "8"),
     Pair("Most Favorited", "9"),
 )