diff --git a/development/highlight/doinst.sh b/development/highlight/doinst.sh
index 686b2a1f0a..29442be229 100644
--- a/development/highlight/doinst.sh
+++ b/development/highlight/doinst.sh
@@ -12,3 +12,13 @@ config() {
 }
 
 config etc/highlight/filetypes.conf.new
+
+if [ -x /usr/bin/update-desktop-database ]; then
+  /usr/bin/update-desktop-database -q usr/share/applications >/dev/null 2>&1
+fi
+
+if [ -e usr/share/icons/hicolor/icon-theme.cache ]; then
+  if [ -x /usr/bin/gtk-update-icon-cache ]; then
+    /usr/bin/gtk-update-icon-cache -f usr/share/icons/hicolor >/dev/null 2>&1
+  fi
+fi
diff --git a/development/highlight/highlight.SlackBuild b/development/highlight/highlight.SlackBuild
index b2265784f0..8cba0db42c 100644
--- a/development/highlight/highlight.SlackBuild
+++ b/development/highlight/highlight.SlackBuild
@@ -66,7 +66,7 @@ find -L . \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
 make cli gui
-make install install-gui DESTDIR=$PKG
+make -j1 install install-gui DESTDIR=$PKG
 
 find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
   | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null