diff --git a/installer/appbundle/purchase.sh b/installer/appbundle/purchase.sh
index e4aca161..9298732d 100755
--- a/installer/appbundle/purchase.sh
+++ b/installer/appbundle/purchase.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-/usr/bin/codesign -v /Applications/FileBot.app && /usr/local/bin/filebot || /usr/bin/open macappstore://itunes.apple.com/app/id905384638
+/usr/bin/codesign -v /Applications/FileBot.app && /usr/local/bin/filebot || /usr/bin/open "https://itunes.apple.com/us/app/filebot/id905384638?mt=12&uo=6&at=1l3vupy&ct=darwin"