diff --git a/lib/roman_numerals.dart b/lib/roman_numerals.dart
index d41a455..ef9f436 100644
--- a/lib/roman_numerals.dart
+++ b/lib/roman_numerals.dart
@@ -1,6 +1,11 @@
 String integerToRoman(int number) {
   var result = '';
   for (int i = 0; i < number; i++) {
+    if (number == 5) {
+      result += 'V';
+      break;
+    }
+
     result += 'I';
   }
   return result;