diff --git a/development/4th/4th.SlackBuild b/development/4th/4th.SlackBuild
index 4b8c4c9310..bf41e1745e 100644
--- a/development/4th/4th.SlackBuild
+++ b/development/4th/4th.SlackBuild
@@ -2,7 +2,7 @@
 
 # Slackware build script for 4th
 
-# Written by Zbigniew Baniewski <Zbigniew.Baniewski@gmail.com>
+# Written by Zbigniew Baniewski <Zbigniew [dot] Baniewski [at] gmail [dot] com>
 
 PRGNAM=4th
 VERSION=${VERSION:-3.62.2}
@@ -47,10 +47,10 @@ cat $CWD/01-directories.patch | patch -p0 || exit
 cd $PRGNAM-$VERSION-unix/sources
 chown -R root:root .
 find -L . \
- \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 -o -perm 511 \) \
- -exec chmod 755 {} \; -o \
- \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
- -exec chmod 644 {} \;
+ \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
+  -o -perm 511 \) -exec chmod 755 {} \; -o \
+ \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
 if [ "$ARCH" = "x86_64" ]; then
   cat $CWD/02-to_preserve_32bit_compatibility.patch | patch -p2 || exit
@@ -70,7 +70,8 @@ cp $TMP/$PRGNAM-$VERSION-unix/4th/.directory $PKG/usr/doc/$PRGNAM-$VERSION
 cp $TMP/$PRGNAM-$VERSION-unix/COPYING $PKG/usr/doc/$PRGNAM-$VERSION
 cp $TMP/$PRGNAM-$VERSION-unix/README $PKG/usr/doc/$PRGNAM-$VERSION
 cp -r $TMP/$PRGNAM-$VERSION-unix/4th/* $PKG/usr/doc/$PRGNAM-$VERSION/examples
-find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
+
+find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
   | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
 
 find $PKG/usr/man -type f -exec gzip -9 {} \;
diff --git a/development/4th/4th.info b/development/4th/4th.info
index 261bf40199..ab651105c4 100644
--- a/development/4th/4th.info
+++ b/development/4th/4th.info
@@ -7,4 +7,4 @@ DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES=""
 MAINTAINER="Zbigniew Baniewski"
-EMAIL="Zbigniew.Baniewski@gmail.com"
+EMAIL="Zbigniew [dot] Baniewski [at] gmail [dot] com"