diff --git a/src/roman.py b/src/roman.py
index 3fa54e5..69fe846 100644
--- a/src/roman.py
+++ b/src/roman.py
@@ -138,8 +138,7 @@ def parse_args():
 def main():
     args = parse_args()
     if args.reverse:
-        u = args.number.upper()
-        r = fromRoman(u)
+        r = fromRoman(args.number)
         print(r)
     else:
         i = int(args.number)