diff --git a/../pbserver/Makefile b/../pbserver/Makefile
index 27847c1..d6ffff3 100755
--- a/../pbserver/Makefile
+++ b/../pbserver/Makefile
@@ -15,7 +15,7 @@ configure:
 dic:	staticdic learndic
 
 staticdic:	fugodic.txt
-	nkf -e $< | ruby dicfilter.rb | sort |uniq > $@
+	nkf -w $< | ruby dicfilter.rb | sort |uniq > $@
 
 learndic:
 	touch $@