diff --git a/lib/inline_svg/webpack_asset_finder.rb b/lib/inline_svg/webpack_asset_finder.rb
index 8c74b96..263e310 100644
--- a/lib/inline_svg/webpack_asset_finder.rb
+++ b/lib/inline_svg/webpack_asset_finder.rb
@@ -10,10 +10,19 @@ def initialize(filename)
 
     def pathname
       public_path = Webpacker.config.public_path
-      file_path = Webpacker.instance.manifest.lookup(@filename)
+      file_path = resolve_path_to(@filename)
       return unless public_path && file_path
 
       File.join(public_path, file_path)
     end
+
+    private
+
+    def resolve_path_to(name)
+      path = name.starts_with?("media/") ? name : "media/#{name}"
+      Webpacker.instance.manifest.lookup(path)
+    rescue
+      Webpacker.instance.manifest.lookup(name)
+    end
   end
 end