diff --git a/bin/brew b/bin/brew
index 702f36a719..3279d37f64 100755
--- a/bin/brew
+++ b/bin/brew
@@ -2,7 +2,7 @@
 BREW_FILE_DIRECTORY=$(cd "${0%/*}" && pwd -P)
 export HOMEBREW_BREW_FILE="$BREW_FILE_DIRECTORY/${0##*/}"
 
-BREW_SYMLINK=$(readlink $0)
+BREW_SYMLINK=$(readlink "$0")
 if [ -n "$BREW_SYMLINK" ]
 then
 	BREW_SYMLINK_DIRECTORY=$(dirname "$BREW_SYMLINK")