diff --git a/academic/tuxmath/tuxmath.SlackBuild b/academic/tuxmath/tuxmath.SlackBuild
index 2915add179..881ffd4e18 100644
--- a/academic/tuxmath/tuxmath.SlackBuild
+++ b/academic/tuxmath/tuxmath.SlackBuild
@@ -55,12 +55,8 @@ CXXFLAGS="$SLKCFLAGS" \
 make
 make install DESTDIR=$PKG
 
-( cd $PKG
-  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | \
-    xargs strip --strip-unneeded 2> /dev/null || true
-  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | \
-    xargs strip --strip-unneeded 2> /dev/null
-)
+find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
+  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
 
 mkdir -p $PKG/usr/share/{applications,pixmaps}
 install -m 0644 $PRGNAM.desktop $PKG/usr/share/applications