diff --git a/multisrc/overrides/madara/immortalupdates/src/ImmortalUpdates.kt b/multisrc/overrides/madara/immortalupdates/src/ImmortalUpdates.kt
index ec6222b11..278813c8e 100644
--- a/multisrc/overrides/madara/immortalupdates/src/ImmortalUpdates.kt
+++ b/multisrc/overrides/madara/immortalupdates/src/ImmortalUpdates.kt
@@ -26,9 +26,11 @@ class ImmortalUpdates : Madara("Immortal Updates", "https://immortalupdates.com"
     override val client = super.client.newBuilder().addInterceptor { chain ->
         val response = chain.proceed(chain.request())
 
-        val args = response.request.url.queryParameter("iu_descramble")
-            ?.split(",")
-            ?: return@addInterceptor response
+        if (response.request.url.fragment?.contains(DESCRAMBLE) != true) {
+            return@addInterceptor response
+        }
+        val fragment = response.request.url.fragment!!
+        val args = fragment.substringAfter("$DESCRAMBLE=").split(",")
 
         val image = unscrambleImage(response.body!!.byteStream(), args)
         val body = image.toResponseBody("image/jpeg".toMediaTypeOrNull())
@@ -56,8 +58,9 @@ class ImmortalUpdates : Madara("Immortal Updates", "https://immortalupdates.com"
             val page = pageList.firstOrNull { it.imageUrl!!.contains(filenameFragment, ignoreCase = true) }
                 ?: return@forEach
             val newPageUrl = page.imageUrl!!.toHttpUrl().newBuilder()
-                .addQueryParameter("iu_descramble", args)
-                .build().toString()
+                .fragment("$DESCRAMBLE=$args")
+                .build()
+                .toString()
             pageList[page.index] = Page(page.index, document.location(), newPageUrl)
         }
         pageList.remove(unscramblingCallsPage)
@@ -121,19 +124,21 @@ class ImmortalUpdates : Madara("Immortal Updates", "https://immortalupdates.com"
             }
         }
 
-        val invertingPaint = Paint().apply {
-            colorFilter = ColorMatrixColorFilter(
-                ColorMatrix(
-                    floatArrayOf(
-                        -1.0f, 0.0f, 0.0f, 0.0f, 255.0f,
-                        0.0f, -1.0f, 0.0f, 0.0f, 255.0f,
-                        0.0f, 0.0f, -1.0f, 0.0f, 255.0f,
-                        0.0f, 0.0f, 0.0f, 1.0f, 0.0f
+        if (isBackgroundBlack) {
+            val invertingPaint = Paint().apply {
+                colorFilter = ColorMatrixColorFilter(
+                    ColorMatrix(
+                        floatArrayOf(
+                            -1.0f, 0.0f, 0.0f, 0.0f, 255.0f,
+                            0.0f, -1.0f, 0.0f, 0.0f, 255.0f,
+                            0.0f, 0.0f, -1.0f, 0.0f, 255.0f,
+                            0.0f, 0.0f, 0.0f, 1.0f, 0.0f
+                        )
                     )
                 )
-            )
+            }
+            canvas.drawBitmap(result, 0f, 0f, invertingPaint)
         }
-        canvas.drawBitmap(result, 0f, 0f, invertingPaint)
 
         val output = ByteArrayOutputStream()
         result.compress(Bitmap.CompressFormat.JPEG, 90, output)
@@ -198,4 +203,8 @@ class ImmortalUpdates : Madara("Immortal Updates", "https://immortalupdates.com"
             )
         }
     }
+
+    companion object {
+        const val DESCRAMBLE = "descramble"
+    }
 }
diff --git a/multisrc/src/main/java/eu/kanade/tachiyomi/multisrc/madara/MadaraGenerator.kt b/multisrc/src/main/java/eu/kanade/tachiyomi/multisrc/madara/MadaraGenerator.kt
index 95f5e3f33..cb1e4c4ea 100644
--- a/multisrc/src/main/java/eu/kanade/tachiyomi/multisrc/madara/MadaraGenerator.kt
+++ b/multisrc/src/main/java/eu/kanade/tachiyomi/multisrc/madara/MadaraGenerator.kt
@@ -146,7 +146,7 @@ class MadaraGenerator : ThemeSourceGenerator {
         SingleLang("Ichirin No Hana Yuri", "https://ichirinnohanayuriscan.com", "pt-BR", isNsfw = true, overrideVersionCode = 4),
         SingleLang("Ikifeng", "https://ikifeng.com", "es", isNsfw = true),
         SingleLang("Illusion Scan", "https://illusionscan.com", "pt-BR", isNsfw = true),
-        SingleLang("Immortal Updates", "https://immortalupdates.com", "en", overrideVersionCode = 3),
+        SingleLang("Immortal Updates", "https://immortalupdates.com", "en", overrideVersionCode = 4),
         SingleLang("Império Scans", "https://imperioscans.com.br", "pt-BR", className = "ImperioScans", overrideVersionCode = 1),
         SingleLang("Inazu Manga", "https://inazumanga.com", "id", isNsfw = true),
         SingleLang("InfraFandub", "https://infrafandub.xyz", "es"),