diff --git a/db/migrate/076_allow_null_position.rb b/db/migrate/076_allow_null_position.rb
new file mode 100644
index 0000000..45008d6
--- /dev/null
+++ b/db/migrate/076_allow_null_position.rb
@@ -0,0 +1,14 @@
+class AllowNullPosition < ActiveRecord::Migration
+  def self.up
+    # removes the 'not null' constraint on position fields
+    change_column :issue_statuses, :position, :integer, :default => 1
+    change_column :roles, :position, :integer, :default => 1
+    change_column :trackers, :position, :integer, :default => 1
+    change_column :boards, :position, :integer, :default => 1
+    change_column :enumerations, :position, :integer, :default => 1
+  end
+
+  def self.down
+    # nothing to do
+  end
+end