diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/ReaderPageImageView.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/ReaderPageImageView.kt
index fbb1302e82..2cd0f2840b 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/ReaderPageImageView.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/ReaderPageImageView.kt
@@ -349,8 +349,9 @@ open class ReaderPageImageView @JvmOverloads constructor(
             .diskCachePolicy(CachePolicy.DISABLED)
             .target(
                 onSuccess = { result ->
-                    setImageDrawable(result.asDrawable(context.resources))
-                    (result as? Animatable)?.start()
+                    val drawable = result.asDrawable(context.resources)
+                    setImageDrawable(drawable)
+                    (drawable as? Animatable)?.start()
                     isVisible = true
                     this@ReaderPageImageView.onImageLoaded()
                 },
diff --git a/core/common/src/main/kotlin/tachiyomi/core/common/util/system/ImageUtil.kt b/core/common/src/main/kotlin/tachiyomi/core/common/util/system/ImageUtil.kt
index b01f4e8821..03a2f2d602 100644
--- a/core/common/src/main/kotlin/tachiyomi/core/common/util/system/ImageUtil.kt
+++ b/core/common/src/main/kotlin/tachiyomi/core/common/util/system/ImageUtil.kt
@@ -77,19 +77,20 @@ object ImageUtil {
     }
 
     fun isAnimatedAndSupported(stream: InputStream): Boolean {
-        try {
+        return try {
             val type = getImageType(stream) ?: return false
-            return when (type.format) {
+            // https://coil-kt.github.io/coil/getting_started/#supported-image-formats
+            when (type.format) {
                 Format.Gif -> true
-                // Coil supports animated WebP on Android 9.0+
-                // https://coil-kt.github.io/coil/getting_started/#supported-image-formats
+                // Animated WebP on Android 9+
                 Format.Webp -> type.isAnimated && Build.VERSION.SDK_INT >= Build.VERSION_CODES.P
+                // Animated Heif on Android 11+
+                Format.Heif -> type.isAnimated && Build.VERSION.SDK_INT >= Build.VERSION_CODES.R
                 else -> false
             }
         } catch (e: Exception) {
-            /* Do Nothing */
+            false
         }
-        return false
     }
 
     private fun getImageType(stream: InputStream): tachiyomi.decoder.ImageType? {