diff --git a/num2words/lang_NL.py b/num2words/lang_NL.py
index ac4d405..00d6c5b 100644
--- a/num2words/lang_NL.py
+++ b/num2words/lang_NL.py
@@ -135,7 +135,7 @@ class Num2Word_NL(Num2Word_EU):
 
     def to_ordinal_num(self, value):
         self.verify_ordinal(value)
-        return str(value) + "."
+        return str(value) + "e"
 
     def pluralize(self, n, forms):
         """