diff --git a/concraft.cabal b/concraft.cabal
--- a/concraft.cabal
+++ b/concraft.cabal
@@ -1,5 +1,5 @@
 name:               concraft
-version:            0.3.1
+version:            0.3.2
 synopsis:           Morphosyntactic tagging tool based on constrained CRFs
 description:
     A morphosyntactic tagging tool based on constrained conditional
diff --git a/tools/concraft.hs b/tools/concraft.hs
--- a/tools/concraft.hs
+++ b/tools/concraft.hs
@@ -69,7 +69,7 @@
     , trainPath = def &= argPos 1 &= typ "TRAIN-FILE"
     , evalPath = def &= typFile &= help "Evaluation file"
     , format = enum [Plain &= help "Plain format"]
-    , ignTag = def &= help "Tag indicating OOV word"
+    , ignTag = "ign" &= help "Tag indicating OOV word"
     , discardHidden = False &= help "Discard hidden features"
     , iterNum = 10 &= help "Number of SGD iterations"
     , batchSize = 30 &= help "Batch size"
@@ -83,7 +83,7 @@
 disambMode = Disamb
     { inModel = def &= argPos 0 &= typ "MODEL-FILE"
     , format = enum [Plain &= help "Plain format"]
-    , ignTag = def &= help "Tag indicating OOV word"
+    , ignTag = "ign" &= help "Tag indicating OOV word"
     , guessNum = 10 &= help "Number of guessed tags for each unknown word" }
 
 argModes :: Mode (CmdArgs Concraft)