diff --git a/repository/Grafoscopio-Utils/LePage.extension.st b/repository/Grafoscopio-Utils/LePage.extension.st
index b2e72f5..01903c4 100644
--- a/repository/Grafoscopio-Utils/LePage.extension.st
+++ b/repository/Grafoscopio-Utils/LePage.extension.st
@@ -10,8 +10,8 @@ LePage >> asMarkdeep [
 	markdeep := Markdeep new
 		title: self title;
 		body: bodyStream contents.
-	markdeep metadata at: 'authors' put: (self metadata at: 'authors').
-	markdeep metadata at: 'version' put: (self metadata at: 'version').
+	markdeep metadata at: 'authors' put: (self metadata at: 'authors' ifAbsentPut: [ '']).
+	markdeep metadata at: 'version' put: (self metadata at: 'version' ifAbsentPut: [ '']).
 	self metadata keysAndValuesDo: [:k :v |
 		markdeep header 
 			add: '<meta name="', k, '" content="', v,'">';