diff --git a/Library/Homebrew/bottles.rb b/Library/Homebrew/bottles.rb
index 2686f2468d..262c01ccdc 100644
--- a/Library/Homebrew/bottles.rb
+++ b/Library/Homebrew/bottles.rb
@@ -39,7 +39,7 @@ def bottle_tag
 end
 
 def bottle_receipt_path(bottle_file)
-  Utils.popen_read("tar", "-tzf", bottle_file, "*/*/INSTALL_RECEIPT.json").chomp
+  Utils.popen_read("/usr/bin/tar", "-tzf", bottle_file, "*/*/INSTALL_RECEIPT.json").chomp
 end
 
 def bottle_resolve_formula_names(bottle_file)