diff --git a/.osx b/.osx
index 784b15e..e7cd590 100755
--- a/.osx
+++ b/.osx
@@ -151,7 +151,7 @@ defaults write com.apple.finder ShowRemovableMediaOnDesktop -bool true
 # defaults write com.apple.finder AppleShowAllFiles -bool true
 
 # Finder: show all filename extensions
-# defaults write NSGlobalDomain AppleShowAllExtensions -bool true
+defaults write NSGlobalDomain AppleShowAllExtensions -bool true
 
 # Finder: show status bar
 defaults write com.apple.finder ShowStatusBar -bool true