diff --git a/_compile/build_trollinstaller2.sh b/_compile/build_trollinstaller2.sh
old mode 100755
new mode 100644
index cdc87db..43f06ef
--- a/_compile/build_trollinstaller2.sh
+++ b/_compile/build_trollinstaller2.sh
@@ -1,3 +1,11 @@
+#!/bin/sh
+set -e
+
+if [ ! -d "./out" ]
+then
+    mkdir -p ./out
+fi
+
 cd ../Installer/TrollInstaller2
 make clean
 make package
@@ -13,7 +21,7 @@ unzip target/Developer.ipa -d ./out/devpwn
 rm ./out/pwn_arm64e
 
 cd ./out/devpwn
-zip -mvr devpwn.ipa *
+zip -vr devpwn.ipa *
 cd -
 
 cp ./out/devpwn/devpwn.ipa ./out/DeveloperInstaller.ipa
diff --git a/install_trollinstaller2.md b/install_trollinstaller2.md
index 0ec890d..5807f7b 100644
--- a/install_trollinstaller2.md
+++ b/install_trollinstaller2.md
@@ -4,7 +4,7 @@
 
 ## Compiling pwned IPA (currently requires a Mac) (Needs THEOS and 14.5 sdk installed)
 
-1. Get a stock "Apple Developer" IPA (this app: https://apps.apple.com/de/app/apple-developer/id640199958 (sorry german link but you get the idea)), you can do this using Apple Configurator (install it twice to your device and when it gives you the already exists error, copy the IPA from `~/Library/Group\ Containers/<some_uuid>.group.com.apple.configurator/Library/Caches/Assets/TemporaryItems/MobileApps` to somewhere else and then cancel the installation).
+1. Get a stock "Apple Developer" IPA (this app: https://apps.apple.com/us/app/apple-developer/id640199958), you can do this using Apple Configurator (install it twice to your device and when it gives you the already exists error, copy the IPA from `~/Library/Group\ Containers/<some_uuid>.group.com.apple.configurator/Library/Caches/Assets/TemporaryItems/MobileApps` to somewhere else and then cancel the installation).
 
 2. Put it into _compile/target/Developer.ipa