diff --git a/bin/brew b/bin/brew
index 2871085d02..24bf1f71bb 100755
--- a/bin/brew
+++ b/bin/brew
@@ -16,6 +16,6 @@ fi
 
 HOMEBREW_PREFIX="${HOMEBREW_BREW_FILE%/*/*}"
 HOMEBREW_REPOSITORY="${BREW_FILE_DIRECTORY%/*}"
-HOMEBREW_LIBRARY="${BREW_FILE_DIRECTORY%/*}/Library"
+HOMEBREW_LIBRARY="$HOMEBREW_REPOSITORY/Library"
 
 source "$HOMEBREW_LIBRARY/brew.sh"