diff --git a/lib/adamantium/client/mastodon.rb b/lib/adamantium/client/mastodon.rb
index f5c63c9..3190676 100644
--- a/lib/adamantium/client/mastodon.rb
+++ b/lib/adamantium/client/mastodon.rb
@@ -60,7 +60,7 @@ module Adamantium
         file_size = file.size.to_f / 2**20
         formatted_file_size = "%.2f" % file_size
 
-        return if formatted_file_size > 2.0
+        return if formatted_file_size.to_i > 2.0
 
         response = HTTParty.post("#{mastodon_server}api/v2/media", {
           headers: {