diff --git a/src/MiniDocs/LeDatabase.extension.st b/src/MiniDocs/LeDatabase.extension.st
index 2131ce8..b9eb87a 100644
--- a/src/MiniDocs/LeDatabase.extension.st
+++ b/src/MiniDocs/LeDatabase.extension.st
@@ -61,7 +61,7 @@ LeDatabase >> addPageFromMarkdeep: markdeepDocTree withRemote: externalDocLocati
 			(self hasBlockUID: snippet uid)
 				ifTrue: [ | existingPage |
 					existingPage := self pages
-							detect: [ :pageTemp | pageTemp includesSnippetUid: snippet uid ].
+							detect: [ :pageTemp | pageTemp includesSnippetUid: snippet uid ] ifNone: [ ^ self ].
 					self importErrorForLocal: existingPage withRemote: externalDocLocation.
 					^ self ]
 				ifFalse: [ snippet database: self.