diff --git a/lib/tasks/normalize_resources.rake b/lib/tasks/normalize_resources.rake
new file mode 100644
index 00000000..e05d0d69
--- /dev/null
+++ b/lib/tasks/normalize_resources.rake
@@ -0,0 +1,12 @@
+namespace :data do
+  desc 'Update resources with nil quantity/used fields'
+  task normalize_resources: :environment do
+    Resource.where('used is ? or quantity is ?', nil, nil).each do |resource|
+      resource.used = 0 if resource.used.blank?
+      resource.quantity = resource.used if resource.quantity.blank?
+      unless resource.save
+        puts "Failed to update resource #{resource.name} (ID #{resource.id})"
+      end
+    end
+  end
+end