diff --git a/Library/Homebrew/test/cask/cmd/list_spec.rb b/Library/Homebrew/test/cask/cmd/list_spec.rb
index 8d397e19f4..3c1518cafc 100644
--- a/Library/Homebrew/test/cask/cmd/list_spec.rb
+++ b/Library/Homebrew/test/cask/cmd/list_spec.rb
@@ -128,6 +128,7 @@ describe Cask::Cmd::List, :cask do
             "conflicts_with": null,
             "container": null,
             "auto_updates": null,
+            "tap_git_head": null,
             "languages": [
 
             ]
@@ -162,6 +163,7 @@ describe Cask::Cmd::List, :cask do
             "conflicts_with": null,
             "container": null,
             "auto_updates": null,
+            "tap_git_head": null,
             "languages": [
 
             ]
@@ -199,6 +201,7 @@ describe Cask::Cmd::List, :cask do
             "conflicts_with": null,
             "container": null,
             "auto_updates": null,
+            "tap_git_head": null,
             "languages": [
 
             ]
@@ -233,6 +236,7 @@ describe Cask::Cmd::List, :cask do
             "conflicts_with": null,
             "container": null,
             "auto_updates": null,
+            "tap_git_head": null,
             "languages": [
 
             ]
@@ -267,6 +271,7 @@ describe Cask::Cmd::List, :cask do
             "conflicts_with": null,
             "container": null,
             "auto_updates": null,
+            "tap_git_head": null,
             "languages": [
               "zh",
               "en-US"