diff --git a/.osx b/.osx
index 7290d53..4c265b9 100755
--- a/.osx
+++ b/.osx
@@ -120,8 +120,8 @@ defaults write com.apple.finder ShowRemovableMediaOnDesktop -bool true
 # Finder: show hidden files by default
 # defaults write com.apple.finder AppleShowAllFiles -bool true
 
-# Finder: show all filename extensions
-defaults write NSGlobalDomain AppleShowAllExtensions -bool true
+# Finder: show all filename extensions (Set to True to enable)
+defaults write NSGlobalDomain AppleShowAllExtensions -bool false
 
 # Finder: show status bar
 defaults write com.apple.finder ShowStatusBar -bool true