diff --git a/Program/Mighty/Config.hs b/Program/Mighty/Config.hs
--- a/Program/Mighty/Config.hs
+++ b/Program/Mighty/Config.hs
@@ -168,4 +168,4 @@
           CV_Bool False <$ string "No"   <* trailing
 
 cv_string :: Parser ConfValue
-cv_string = CV_String <$> many1 (noneOf " \t\n") <* trailing
+cv_string = CV_String <$> many (noneOf " \t\n") <* trailing
diff --git a/mighttpd2.cabal b/mighttpd2.cabal
--- a/mighttpd2.cabal
+++ b/mighttpd2.cabal
@@ -1,5 +1,5 @@
 Name:                   mighttpd2
-Version:                3.4.0
+Version:                3.4.1
 Author:                 Kazu Yamamoto <kazu@iij.ad.jp>
 Maintainer:             Kazu Yamamoto <kazu@iij.ad.jp>
 License:                BSD3