diff --git a/Library/Homebrew/tab.rb b/Library/Homebrew/tab.rb
index 746c3dd928..fd59539dfd 100644
--- a/Library/Homebrew/tab.rb
+++ b/Library/Homebrew/tab.rb
@@ -25,6 +25,8 @@ class Tab < OpenStruct
       "unused_options" => build.unused_options.as_flags,
       "tabfile" => formula.prefix.join(FILENAME),
       "built_as_bottle" => build.bottle?,
+      "installed_as_dependency" => false,
+      "installed_on_request" => true,
       "poured_from_bottle" => false,
       "time" => Time.now.to_i,
       "source_modified_time" => formula.source_modified_time.to_i,
@@ -172,6 +174,8 @@ class Tab < OpenStruct
       "used_options" => [],
       "unused_options" => [],
       "built_as_bottle" => false,
+      "installed_as_dependency" => false,
+      "installed_on_request" => true,
       "poured_from_bottle" => false,
       "time" => nil,
       "source_modified_time" => 0,
@@ -313,6 +317,8 @@ class Tab < OpenStruct
       "unused_options" => unused_options.as_flags,
       "built_as_bottle" => built_as_bottle,
       "poured_from_bottle" => poured_from_bottle,
+      "installed_as_dependency" => installed_as_dependency,
+      "installed_on_request" => installed_on_request,
       "changed_files" => changed_files && changed_files.map(&:to_s),
       "time" => time,
       "source_modified_time" => source_modified_time.to_i,