diff --git a/build.sh b/build.sh
index 88aa69c..8531829 100755
--- a/build.sh
+++ b/build.sh
@@ -41,11 +41,6 @@ while getopts 'd' OPTION; do
   esac
 done
 
-# For packaging
-_chromium_version=$(cat "$_root_dir"/ungoogled-chromium/chromium_version.txt)
-_ungoogled_revision=$(cat "$_root_dir"/ungoogled-chromium/revision.txt)
-_package_revision=$(cat "$_root_dir"/revision.txt)
-
 # Add local clang and build tools to PATH
 # export PATH="$PATH:$_src_dir/third_party/llvm-build/Release+Asserts/bin"
 
@@ -90,6 +85,9 @@ fi
 /usr/bin/arch -$_arch $_python_path/python3 ./tools/rust/build_bindgen.py --rust-target $_rust_target
 
 /usr/bin/arch -$_arch ./out/Default/gn gen out/Default --fail-on-unused-args
+
+ln -s "$_src_dir/third_party" "$_src_dir/../third_party"
+
 /usr/bin/arch -$_arch $_ninja_path/ninja -C out/Default chrome chromedriver
 
-./sign_and_package_app.sh
+/bin/zsh "$_root_dir/sign_and_package_app.sh"
diff --git a/sign_and_package_app.sh b/sign_and_package_app.sh
old mode 100644
new mode 100755
index ed93c2d..4aa78d7
--- a/sign_and_package_app.sh
+++ b/sign_and_package_app.sh
@@ -1,3 +1,10 @@
+_root_dir=$(dirname $(greadlink -f $0))
+
+# For packaging
+_chromium_version=$(cat "$_root_dir"/ungoogled-chromium/chromium_version.txt)
+_ungoogled_revision=$(cat "$_root_dir"/ungoogled-chromium/revision.txt)
+_package_revision=$(cat "$_root_dir"/revision.txt)
+
 # Fix issue where macOS requests permission for incoming network connections
 # See https://github.com/ungoogled-software/ungoogled-chromium-macos/issues/17
 xattr -cs out/Default/Chromium.app