diff --git a/gulpfile.js b/gulpfile.js
index 0cc58696..1a1dcd60 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -453,9 +453,15 @@ function release_deb(arch, appDirectory, done) {
              maintainer: pkg.author,
              description: pkg.description,
              preinst: [`rm -rf ${LINUX_INSTALL_DIR}/${pkg.name}`],
-             postinst: [`chown root:root ${LINUX_INSTALL_DIR}`, `chown -R root:root ${LINUX_INSTALL_DIR}/${pkg.name}`, `cp ${LINUX_INSTALL_DIR}/${pkg.name}/mime/${pkg.name}.xml /usr/share/mime/packages/`, 'update-mime-database /usr/share/mime',
+             postinst: [`chown root:root ${LINUX_INSTALL_DIR}`,
+                        `chown -R root:root ${LINUX_INSTALL_DIR}/${pkg.name}`,
+                        `cp ${LINUX_INSTALL_DIR}/${pkg.name}/mime/${pkg.name}.xml /usr/share/mime/packages/`, 'update-mime-database /usr/share/mime',
                         `cp ${LINUX_INSTALL_DIR}/${pkg.name}/icon/bf_icon_128.png /usr/share/icons/hicolor/128x128/mimetypes/application-x-blackboxlog.png`, 'gtk-update-icon-cache /usr/share/icons/hicolor -f',
-                        `xdg-desktop-menu install ${LINUX_INSTALL_DIR}/${pkg.name}/${pkg.name}.desktop`],
+                        `xdg-desktop-menu install ${LINUX_INSTALL_DIR}/${pkg.name}/${pkg.name}.desktop`,
+                        `chmod +xr ${LINUX_INSTALL_DIR}/${pkg.name}/chrome_crashpad_handler`,
+                        `chmod +xr ${LINUX_INSTALL_DIR}/${pkg.name}/${pkg.name}`,
+                        `chmod -R +Xr ${LINUX_INSTALL_DIR}/${pkg.name}/`,
+            ],
              prerm: [`rm /usr/share/mime/packages/${pkg.name}.xml`, 'update-mime-database /usr/share/mime',
                      'rm /usr/share/icons/hicolor/128x128/mimetypes/application-x-blackboxlog.png', 'gtk-update-icon-cache /usr/share/icons/hicolor -f',
                      `xdg-desktop-menu uninstall ${pkg.name}.desktop`],