diff --git a/Casks/alfred.rb b/Casks/alfred.rb
index 63d24efc6f..745d5623df 100644
--- a/Casks/alfred.rb
+++ b/Casks/alfred.rb
@@ -10,7 +10,6 @@ cask :v1 => 'alfred' do
   app 'Alfred 2.app/Contents/Preferences/Alfred Preferences.app'
 
   postflight do
-    # Don't ask to move the app bundle to /Applications
-    system '/usr/bin/defaults', 'write', 'com.runningwithcrayons.alfred-2', 'suppressMoveToApplications', '-bool', 'true'
+    suppress_move_to_applications :key => 'suppressMoveToApplications'
   end
 end
diff --git a/Casks/path-finder.rb b/Casks/path-finder.rb
index 34475abab6..f2b463581f 100644
--- a/Casks/path-finder.rb
+++ b/Casks/path-finder.rb
@@ -9,8 +9,7 @@ cask :v1 => 'path-finder' do
   app 'Path Finder.app'
 
   postflight do
-    # Don't ask to move the app bundle to /Applications
-    system '/usr/bin/defaults', 'write', 'com.cocoatech.PathFinder', 'kNTMoveToApplicationsFolderAlertSuppress', '-bool', 'true'
+    suppress_move_to_applications :key => 'kNTMoveToApplicationsFolderAlertSuppress'
   end
 
   zap :delete => [