diff --git a/src/utils/Decompressor.cpp b/src/utils/Decompressor.cpp
index 011fad48..95af7b1b 100644
--- a/src/utils/Decompressor.cpp
+++ b/src/utils/Decompressor.cpp
@@ -69,18 +69,23 @@ DecompressedData Decompressor::AutoDecode(YAML::Node& node, std::vector<uint8_t>
 
     auto fileOffset = TranslateAddr(offset, true);
 
-    // Extract compressed assets.
-    if (node["mio0"] || node["yay0"]) {
-        auto foffset = TranslateAddr(offset, true);
-        auto decoded = Decode(buffer, foffset, node["mio0"] ? CompressionType::MIO0 : CompressionType::YAY0);
+    // Check if an asset in a yaml file is mio0 compressed and extract.
+    if (node["mio0"]) {
+        auto assetPtr = ASSET_PTR(offset);
+        auto gameSize = Companion::Instance->GetRomData().size();
+
+        auto fileOffset = TranslateAddr(offset, true);
+        offset = ASSET_PTR(offset);
+
+        auto decoded = Decode(buffer, fileOffset + offset, CompressionType::MIO0);
         auto size = node["size"] ? node["size"].as<size_t>() : manualSize.value_or(decoded->size);
         return {
-            .root = decoded,
-            .segment = { decoded->data, size }
+                .root = decoded,
+                .segment = { decoded->data, size }
         };
     }
 
-    // Extract compressed tkmk00 assets in mk64.
+    // Check if an asset in a yaml file is tkmk00 compressed and extract (mk64).
     if (node["tkmk00"]) {
         const auto alpha = GetSafeNode<uint32_t>(node, "alpha");
         const auto width = GetSafeNode<uint32_t>(node, "width");
@@ -98,7 +103,7 @@ DecompressedData Decompressor::AutoDecode(YAML::Node& node, std::vector<uint8_t>
         };
     }
 
-    // Extract compressed files that contain many assets.
+    // Extract a compressed file which contains many assets.
     switch(type) {
         case CompressionType::YAY0:
         case CompressionType::MIO0: {