diff --git a/db/migrate/20160721081015_drop_and_readd_has_external_wiki_in_projects.rb b/db/migrate/20160721081015_drop_and_readd_has_external_wiki_in_projects.rb
new file mode 100644
index 00000000000..459a120155d
--- /dev/null
+++ b/db/migrate/20160721081015_drop_and_readd_has_external_wiki_in_projects.rb
@@ -0,0 +1,14 @@
+class DropAndReaddHasExternalWikiInProjects < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  # Set this constant to true if this migration requires downtime.
+  DOWNTIME = false
+
+  def up
+    remove_column :projects, :has_external_wiki, :boolean
+    add_column :projects, :has_external_wiki, :boolean
+  end
+
+  def down
+  end
+end
diff --git a/db/migrate/20160721081015_nullify_has_external_wiki_in_projects.rb b/db/migrate/20160721081015_nullify_has_external_wiki_in_projects.rb
deleted file mode 100644
index 4bb5bb79632..00000000000
--- a/db/migrate/20160721081015_nullify_has_external_wiki_in_projects.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-class NullifyHasExternalWikiInProjects < ActiveRecord::Migration
-  include Gitlab::Database::MigrationHelpers
-
-  # Set this constant to true if this migration requires downtime.
-  DOWNTIME = false
-
-  def up
-    execute("UPDATE projects SET has_external_wiki = NULL")
-  end
-
-  def down
-  end
-end