diff --git a/lib/nanoserve.rb b/lib/nanoserve.rb
index 0b761eb..29c32dc 100644
--- a/lib/nanoserve.rb
+++ b/lib/nanoserve.rb
@@ -139,7 +139,7 @@ module NanoServe
       end
 
       def parse_method(str)
-        str
+        str.upcase
       end
 
       def parse_path(str)