diff --git a/less.spec b/less.spec
index 80b202f..a0e549b 100644
--- a/less.spec
+++ b/less.spec
@@ -1,7 +1,7 @@
 Summary: A text file browser similar to more, but better
 Name: less
 Version: 436
-Release: 9%{?dist}
+Release: 10%{?dist}
 License: GPLv3+
 Group: Applications/Text
 Source: http://www.greenwoodsoftware.com/less/%{name}-%{version}.tar.gz
@@ -71,6 +71,10 @@ ls -la $RPM_BUILD_ROOT/etc/profile.d
 rm -rf $RPM_BUILD_ROOT
 
 %changelog
+* Wed Apr 13 2011 Vojtech Vitek (V-Teq) <vvitek@redhat.com> - 436-10
+- Don't convert files with UTF-16/UTF-32 string in filename
+  Resolve: #638312
+
 * Tue Feb 15 2011 Vojtech Vitek (V-Teq) <vvitek@redhat.com> - 436-9
 - Clean lesspipe.sh script
 - Split case for compressed and plain troff files
diff --git a/lesspipe.sh b/lesspipe.sh
index c543c0d..819ce62 100755
--- a/lesspipe.sh
+++ b/lesspipe.sh
@@ -60,7 +60,7 @@ case "$1" in
 	fi ;;
 *)
 	if [ -x /usr/bin/file -a -x /usr/bin/iconv -a -x /usr/bin/cut ]; then
-		case `file "$1"` in
+		case `file -b "$1"` in
 		*UTF-16*) conv='UTF-16' ;;
 		*UTF-32*) conv='UTF-32' ;;
 		esac