diff --git a/markdown-pap.cabal b/markdown-pap.cabal
--- a/markdown-pap.cabal
+++ b/markdown-pap.cabal
@@ -2,7 +2,7 @@
 cabal-version:	>= 1.8
 
 name:		markdown-pap
-version:	0.0.1.9
+version:	0.0.1.10
 stability:	Experimental
 author:		Yoshikuni Jujo <PAF01143@nifty.ne.jp>
 maintainer:	Yoshikuni Jujo <PAF01143@nifty.ne.jp>
@@ -28,7 +28,7 @@
 source-repository	this
   type:		git
   location:	git://github.com/YoshikuniJujo/markdown-pap.git
-  tag:		0.0.1.9
+  tag:		0.0.1.10
 
 library
   hs-source-dirs:	src
diff --git a/src/Text/Markdown/Pap/Parser.hs b/src/Text/Markdown/Pap/Parser.hs
--- a/src/Text/Markdown/Pap/Parser.hs
+++ b/src/Text/Markdown/Pap/Parser.hs
@@ -85,7 +85,7 @@
 	/ l:fourSpacesLine			{ return l }
 
 fourSpacesLine :: String
-	= _:fourSpaces l:line' '\n'+		{ return $ l ++ "\n" }
+	= _:fourSpaces l:line' ns:('\n' { return '\n' })+	{ return $ l ++ ns }
 
 fourSpaces :: ()
 	= ' ' ' ' ' ' ' '