diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@
 
 # Releases
 
+## hakyll-dir-list 1.0.0.4
+- use a double hyphen in Metadata Configuration to get 
+  an empty tag, this gets no error in YAML parsing
+
 ## hakyll-dir-list 1.0.0.3
 - use a hyphen in Metadata Configuration to get an empty tag
 - use lts-12.7 stack resolver
diff --git a/hakyll-dir-list.cabal b/hakyll-dir-list.cabal
--- a/hakyll-dir-list.cabal
+++ b/hakyll-dir-list.cabal
@@ -1,5 +1,5 @@
 name:               hakyll-dir-list
-version:            1.0.0.3
+version:            1.0.0.4
 
 synopsis: Allow Hakyll to create hierarchical menues from directories. 
 
diff --git a/src/Hakyll/Web/Template/DirList.hs b/src/Hakyll/Web/Template/DirList.hs
--- a/src/Hakyll/Web/Template/DirList.hs
+++ b/src/Hakyll/Web/Template/DirList.hs
@@ -61,7 +61,7 @@
 --   or if not given an ','. The list holds the
 --   tags per level, if level is higher than the
 --   tags in the list the last tag is used.
---   Use a hyphen '-' to get an empty string as 'tag'.
+--   Use a double hyphen '--' to get an empty string as 'tag'.
 metadataConfiguration :: Metadata -> Configuration -> Configuration
 metadataConfiguration md default' =
   Configuration 
@@ -82,7 +82,7 @@
     g (_:xs) l = g xs (l - 1)
     g [] _ = "<???>" -- this should not happen
     t :: String -> String
-    t x = if x == "-" then "" else x
+    t x = if x == "--" then "" else x
   
 -- | Sort pages alphabetically.
 alphabetical :: MonadMetadata m => [Item a] -> m [Item a]