diff --git a/apng_library/src/main/java/oupson/apng/decoder/ApngLoader.kt b/apng_library/src/main/java/oupson/apng/decoder/ApngLoader.kt
index 3c46fb4..a9a2741 100644
--- a/apng_library/src/main/java/oupson/apng/decoder/ApngLoader.kt
+++ b/apng_library/src/main/java/oupson/apng/decoder/ApngLoader.kt
@@ -190,7 +190,7 @@ class ApngLoader(parent: Job? = null) {
                 imageView,
                 config
             )
-        } else if (string.startsWith("file://android_asset/")) {
+        } else if (string.startsWith("file:///android_asset/")) {
             kotlin.runCatching {
                 withContext(Dispatchers.IO) {
                     context.assets.open(string.replace("file:///android_asset/", ""))